31nullableWarnings.Add(GetId(ErrorCode.WRN_NullReferenceArgument)); 421case ErrorCode.WRN_NullReferenceArgument: 1891case ErrorCode.WRN_NullReferenceArgument:

2266ReportDiagnostic(ErrorCode.WRN_NullReferenceArgument, location,

198case ErrorCode.WRN_NullReferenceArgument:

258Diagnostic(ErrorCode.WRN_NullReferenceArgument, "A.F").WithArguments("o", "void A.M(object o)").WithLocation(6, 13));

6115Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t1").WithArguments("t", "void local2(T t)").WithLocation(13, 16));

781Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("index", "int C<object>.this[object index]").WithLocation(13, 15) 812Diagnostic(ErrorCode.WRN_NullReferenceArgument, "input").WithArguments("index", "int C<object>.this[object index]").WithLocation(11, 14), 844Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("index", "int C<object>.this[object index]").WithLocation(13, 19) 1012Diagnostic(ErrorCode.WRN_NullReferenceArgument, ".Field").WithArguments("s", "void Extensions.Extension(string s, object? o)").WithLocation(13, 11) 1349Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "C C.operator ++(C x)").WithLocation(6, 9) 5452Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void Program.F(object x)").WithLocation(7, 11)); 5478Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void Program.F(object x)").WithLocation(12, 11)); 5503Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void Program.F(object x)").WithLocation(6, 11)); 5528Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void Program.F(object x)").WithLocation(11, 11)); 7716Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "void C.OmittedMethod(string x)").WithLocation(6, 23) 7740Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "void Collection.Add(string x)").WithLocation(7, 32) 8259Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c2").WithArguments("i", "C.implicit operator int(C i)").WithLocation(11, 25) 9151Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("o", "object? B2.F(object o)").WithLocation(43, 18), 9157Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("o", "object? C2.F(object o)").WithLocation(51, 18), 9167Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("o", "object? B2.F(object o)").WithLocation(43, 18), 9173Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("o", "object? C2.F(object o)").WithLocation(51, 18), 9368Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "object C1.F(object x, object y)").WithLocation(15, 20), 9371Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "object C1.G(object x, object y)").WithLocation(16, 20), 9374Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "object? A.F(object x, object? y)").WithLocation(19, 18), 9386Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "object? A.F(object x, object? y)").WithLocation(27, 18), 11071Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nullableField").WithArguments("x", "C.C(string[] x)").WithLocation(27, 15) 18577Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y28").WithArguments("x", "CL1 CL1.this[CL1 x]").WithLocation(280, 13), 18695Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("p", "void C.M1(CL1 p)").WithLocation(12, 12), 18701Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("p", "void C.M1(CL1 p)").WithLocation(19, 12), 18722Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y8").WithArguments("p1", "void C.M6(CL1 p1, CL1? p2)").WithLocation(65, 24), 18725Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y9").WithArguments("p1", "void C.M7(params CL1[] p1)").WithLocation(72, 16), 18728Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x10").WithArguments("p1", "void C.M7(params CL1[] p1)").WithLocation(77, 12), 18731Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x11").WithArguments("p1", "void C.M8(CL1 p1, params CL1[] p2)").WithLocation(84, 12), 18734Diagnostic(ErrorCode.WRN_NullReferenceArgument, "z11").WithArguments("p2", "void C.M8(CL1 p1, params CL1[] p2)").WithLocation(84, 22), 18737Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x12").WithArguments("p2", "void C.M8(CL1 p1, params CL1[] p2)").WithLocation(89, 16) 18854Diagnostic(ErrorCode.WRN_NullReferenceArgument, "z").WithArguments("y", "void C.G(I<object> x, params I<object?>[] y)").WithLocation(10, 20), 18860Diagnostic(ErrorCode.WRN_NullReferenceArgument, "w").WithArguments("y", "void C.G(I<object> x, params I<object?>[] y)").WithLocation(10, 23), 18869Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("y", "void C.G(I<object> x, params I<object?>[] y)").WithLocation(13, 14), 18963Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x = null").WithArguments("x", "int C.F(object x)").WithLocation(7, 19), 19008Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x = null").WithArguments("x", "int C.F(object x)").WithLocation(7, 23), 19046Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x = null").WithArguments("x", "object C.F(object x)").WithLocation(7, 15), 19081Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x = null").WithArguments("x", "int C.F(object x)").WithLocation(6, 17), 19216Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("y", "void C.G(object? x = null, object y)").WithLocation(5, 14)); 19240Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("x", "void C.G(params object[] x, params object[] y)").WithLocation(5, 11), 19243Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b").WithArguments("y", "void C.G(params object[] x, params object[] y)").WithLocation(5, 14), 19246Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("y", "void C.G(params object[] x, params object[] y)").WithLocation(5, 17)); 19285Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void C.F2(params object x)").WithLocation(5, 19), 19288Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void C.F3(params object x, params object[] y)").WithLocation(7, 19), 19291Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("y", "void C.F3(params object x, params object[] y)").WithLocation(8, 22)); 19569Diagnostic(ErrorCode.WRN_NullReferenceArgument, "z").WithArguments("z", "void C.G(out object x, ref object y, in object z)").WithLocation(5, 28) 20761Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c").WithArguments("c", "C.implicit operator bool(C? c)").WithLocation(9, 18), 20764Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c1").WithArguments("c1", "bool C.operator ==(C? c1, C? c2)").WithLocation(15, 18), 20767Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c2").WithArguments("c1", "bool C.operator !=(C? c1, C? c2)").WithLocation(16, 13) 25601Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o2").WithArguments("o2", "int C.Test(object o, object o2)").WithLocation(11, 41), 25604Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "int C.Test(object o, object o2)").WithLocation(13, 23), 25607Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "int C.Test(object o, object o2)").WithLocation(21, 46), 25610Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "int C.Test(object o, object o2)").WithLocation(22, 47), 25613Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "int C.Test(object o, object o2)").WithLocation(23, 23) 25663Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o2").WithArguments("o2", "void C.Test(object o, object o2)").WithLocation(12, 25), 25666Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "void C.Test(object o, object o2)").WithLocation(18, 22), 25669Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "void C.Test(object o, object o2)").WithLocation(28, 22), 25672Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "void C.Test(object o, object o2)").WithLocation(31, 22), 25675Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "void C.Test(object o, object o2)").WithLocation(34, 22) 28070Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("c", "bool C.IsNull(C c)").WithLocation(12, 20), 28314Diagnostic(ErrorCode.WRN_NullReferenceArgument, "Property").WithArguments("one", "C C.operator +(C one, C other)").WithLocation(10, 9) 31098Diagnostic(ErrorCode.WRN_NullReferenceArgument, "Prop").WithArguments("t", "void C<T>.M1(T t)").WithLocation(12, 12), 31101Diagnostic(ErrorCode.WRN_NullReferenceArgument, "Prop").WithArguments("t", "void C<T>.M1(T t)").WithLocation(18, 12)); 32440Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(C?)null").WithArguments("s", "void C.M1(string s)").WithLocation(13, 12)); 32468Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(C?)null").WithArguments("s", "void C.M1(string s)").WithLocation(14, 12)); 32496Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(string?)new C()").WithArguments("s", "void C.M1(string s)").WithLocation(13, 12), 32499Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(string?)(C?)null").WithArguments("s", "void C.M1(string s)").WithLocation(14, 12)); 32711Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(B?)null").WithArguments("a", "void A.DisallowNull(A? a)").WithLocation(23, 24), 32714Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(E?)null").WithArguments("a", "void A.DisallowNull(A? a)").WithLocation(76, 24), 32717Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(F?)null").WithArguments("a", "void A.DisallowNull(A? a)").WithLocation(94, 24), 32720Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(G?)null").WithArguments("a", "void A.DisallowNull(A? a)").WithLocation(112, 24), 32723Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(H?)null").WithArguments("a", "void A.DisallowNull(A? a)").WithLocation(130, 24) 32769Diagnostic(ErrorCode.WRN_NullReferenceArgument, "new C()").WithArguments("s", "void C.M1(string s)").WithLocation(29, 12), 32772Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(C?)null").WithArguments("s", "void C.M1(string s)").WithLocation(30, 12)); 38792Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c2").WithArguments("other", "CLeft? CLeft.operator +(CLeft one, CLeft other)").WithLocation(11, 21), 38795Diagnostic(ErrorCode.WRN_NullReferenceArgument, "Property").WithArguments("one", "CNone? CNone.operator +(CNone one, CNone other)").WithLocation(32, 9), 38798Diagnostic(ErrorCode.WRN_NullReferenceArgument, "Property").WithArguments("one", "CNone? CNone.operator +(CNone one, CNone other)").WithLocation(33, 9), 38801Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c2").WithArguments("other", "CNone? CNone.operator +(CNone one, CNone other)").WithLocation(33, 21) 39054Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("s", "string C.this[string s]").WithLocation(6, 17) 39286Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s1").WithArguments("s0", "void Program.M0(string s0)").WithLocation(8, 12) 39309Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t").WithArguments("t", "void Program.M0<T>(T t)").WithLocation(8, 15) 39424Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s1").WithArguments("s0", "void Program.M0(params string[]? s0)").WithLocation(8, 12) 39583Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t").WithArguments("t", "void Program<T>.M0(T t)").WithLocation(9, 12)); 39625Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t?.Value").WithArguments("t", "void Program<T>.M0(T t)").WithLocation(14, 12), 39628Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t").WithArguments("t", "void Program<T>.M0(T t)").WithLocation(24, 12), 39631Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t.Value").WithArguments("t", "void Program<T>.M0(T t)").WithLocation(27, 12) 39666Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t").WithArguments("s", "void C1<T>.Test(T s)").WithLocation(15, 14) 39819Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t").WithArguments("t", "void Program<T>.M0(T t)").WithLocation(9, 12) 39917Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s1").WithArguments("s0", "void Program.M0<string>(params string[]? s0)").WithLocation(8, 20) 41831Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F1<T?>(T? t)").WithLocation(20, 19), 41837Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F2<T?>(T? t)").WithLocation(21, 19), 41840Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F3<T>(T? t)").WithLocation(22, 19), 41843Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F1<T?>(T? t)").WithLocation(26, 19), 41849Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F2<T?>(T? t)").WithLocation(27, 19), 41852Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F3<T>(T? t)").WithLocation(28, 19), 42020Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F1<T?>(T? t)").WithLocation(20, 19), 42026Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F2<T?>(T? t)").WithLocation(21, 19), 42029Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F3<T>(T? t)").WithLocation(22, 19), 42032Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F1<T?>(T? t)").WithLocation(26, 19), 42038Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F2<T?>(T? t)").WithLocation(27, 19), 42041Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F3<T>(T? t)").WithLocation(28, 19), 42112Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F1<T>(T t)").WithLocation(20, 22), 42115Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F2<T>(T t)").WithLocation(21, 22), 42118Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void Program.F3<T>(T? t)").WithLocation(22, 22), 42121Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F1<T>(T t)").WithLocation(26, 22), 42124Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F2<T>(T t)").WithLocation(27, 22), 42127Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void Program.F3<T>(T? t)").WithLocation(28, 22), 42169Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s1").WithArguments("s", "void Program.F1(string s)").WithLocation(12, 19), 42172Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s1").WithArguments("s", "void Program.F2(string? s)").WithLocation(13, 19), 42175Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s2").WithArguments("s", "void Program.F1(string s)").WithLocation(17, 19), 42178Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s2").WithArguments("s", "void Program.F2(string? s)").WithLocation(18, 19)); 42245Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void A.F2<object>(object? t)").WithLocation(9, 12) 42282Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("s", "void Base.M(string? s)").WithLocation(6, 22) 43061Diagnostic(ErrorCode.WRN_NullReferenceArgument, "Property").WithArguments("one", "C? C.operator +(C? one, C other)").WithLocation(10, 9), 43415Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("s", "string? C.this[string? s]").WithLocation(6, 17) 43868Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "T Program.F1<T>(T t)").WithLocation(19, 15), 43874Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "T Program.F2<T>(T t)").WithLocation(20, 15), 43880Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "T? Program.F3<T>(T t)").WithLocation(21, 15), 43886Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "T Program.F1<T>(T t)").WithLocation(25, 15), 43892Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "T Program.F2<T>(T t)").WithLocation(26, 15), 43898Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "T? Program.F3<T>(T t)").WithLocation(27, 15), 44000Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "T Program.F1<T>(T t)").WithLocation(19, 15), 44006Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "T Program.F2<T>(T t)").WithLocation(20, 15), 44012Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "T? Program.F3<T>(T t)").WithLocation(21, 15), 44018Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "T Program.F1<T>(T t)").WithLocation(25, 15), 44024Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "T Program.F2<T>(T t)").WithLocation(26, 15), 44030Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "T? Program.F3<T>(T t)").WithLocation(27, 15), 44545Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "void Program.F1<T>(T t, out T t2)").WithLocation(26, 15), 44551Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "void Program.F2<T>(T t, out T t2)").WithLocation(29, 15), 44557Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t2 : default").WithArguments("t", "void Program.F3<T>(T t, out T? t2)").WithLocation(32, 15), 44563Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "void Program.F1<T>(T t, out T t2)").WithLocation(37, 15), 44569Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "void Program.F2<T>(T t, out T t2)").WithLocation(40, 15), 44575Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? t3 : default").WithArguments("t", "void Program.F3<T>(T t, out T? t2)").WithLocation(43, 15), 45266Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "T Program.F1<T>(T t)").WithLocation(19, 22), 45269Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "T Program.F2<T>(T t)").WithLocation(20, 22), 45272Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "T? Program.F3<T>(T t)").WithLocation(21, 22), 45275Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "T Program.F1<T>(T t)").WithLocation(25, 22), 45278Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "T Program.F2<T>(T t)").WithLocation(26, 22), 45281Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "T? Program.F3<T>(T t)").WithLocation(27, 22)); 46732Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t1").WithArguments("t", "void Program.E2<T?>(T? t)").WithLocation(14, 13), 51949Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c1?.M1(x = 0)").WithArguments("c", "C." + conversionKind + " operator B(C c)").WithLocation(9, 19), 52066Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c1?.M1(x = 0)").WithArguments("c", "B." + conversionKind + " operator B(C? c)").WithLocation(13, 19), 52183Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t").WithArguments("t", "string C<T>.M2(T t)").WithLocation(20, 18), 53776Diagnostic(ErrorCode.WRN_NullReferenceArgument, "@bool ? a : b").WithArguments("t2", "I C.M1<I>(I t1, I t2)").WithLocation(9, 15) 59029Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("o", "C.C(object o)").WithLocation(6, 23)); 59159Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("x", "void ITest28.Add(ITest28 x)").WithLocation(9, 34) 59270Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("item", "void List<A<object>>.Add(A<object> item)").WithLocation(10, 13), 59851Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y3.p1").WithArguments("x", "CL1? CL1.M1(CL1 x)").WithLocation(27, 29)); 62962Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("s", "void C.M0(string s)").WithLocation(38, 40)); 64813Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("s", "void M(CustomHandler c, string s)").WithLocation(5, 19 + expression.IndexOf("s.ToString")) 64884Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("s", $"CustomHandler.CustomHandler(int literalLength, int formattedCount, string s{(validityParameter ? ", out bool success" : "")})").WithLocation(6, 3) 64920Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("o", (useBoolReturns ? "bool" : "void") + " CustomHandler.AppendFormatted(object o)").WithLocation(6, 6) 65053Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("t", "CustomHandler.CustomHandler(int literalLength, int formattedCount, string t)").WithLocation(7, 3) 65240Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("s1", "void M(string s1, CustomHandler c1, string s2)").WithLocation(8, 3), 65274Diagnostic(ErrorCode.WRN_NullReferenceArgument, "GetNullableString()").WithArguments("s", "CustomHandler.CustomHandler(int literalLength, int formattedCount, string s)").WithLocation(6, 3) 65310Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("t", "CustomHandler.CustomHandler(int literalLength, int formattedCount, string t)").WithLocation(8, 7) 65442Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("s1", "string C.this[string s1, CustomHandler c1, string s2]").WithLocation(9, 7), 65677Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b").WithArguments("a", "CustomHandler.CustomHandler(int literalLength, int formattedCount, A a)").WithLocation(6, 3) 68738Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y1").WithArguments("y", "CL0 CL0.operator +(string? x, CL0 y)").WithLocation(10, 24), 68741Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("x", "CL1? CL1.operator +(string x, CL1? y)").WithLocation(16, 18), 68747Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y3").WithArguments("y", "CL0 CL0.operator +(string? x, CL0 y)").WithLocation(21, 23), 68750Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x4 + y4").WithArguments("x", "CL2 CL2.operator +(CL1 x, CL2 y)").WithLocation(26, 18) 68804Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y2").WithArguments("y", "CL1? CL1.operator +(string x, CL1? y)").WithLocation(19, 23) 68857Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x3 + y3").WithArguments("x", "CL2 CL2.operator +(CL0 x, CL2 y)").WithLocation(28, 18), 68909Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "bool CL0.operator false(CL0 x)").WithLocation(10, 19), 68912Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL0 CL0.operator &(CL0 x, CL0? y)").WithLocation(10, 19) 68954Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "bool CL0.operator false(CL0 x)").WithLocation(10, 19), 68957Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y1").WithArguments("y", "CL0 CL0.operator &(CL0? x, CL0 y)").WithLocation(10, 25) 69038Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "bool CL0.operator true(CL0 x)").WithLocation(10, 19) 69124Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1 && y1").WithArguments("x", "bool CL0.operator true(CL0 x)").WithLocation(10, 19), 69127Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1 && y1").WithArguments("x", "CL0 CL0.operator |(CL0 x, CL0 y)").WithLocation(10, 19) 69290Diagnostic(ErrorCode.WRN_NullReferenceArgument, "!y1").WithArguments("y", "CL0 CL0.operator &(CL0? x, CL0 y)").WithLocation(10, 25) 69766Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL0 CL0.operator !(CL0 x)").WithLocation(10, 19), 69906Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL0.implicit operator CL1(CL0 x)").WithLocation(10, 18), 69909Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("x", "CL0.implicit operator int(CL0 x)").WithLocation(15, 18), 70635Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("o", "void E.F1B(object o)").WithLocation(11, 9), 70799Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL0 CL0.operator ++(CL0 x)").WithLocation(10, 21), 70802Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("x", "CL0 CL0.operator ++(CL0 x)").WithLocation(16, 18), 70898Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL0 CL0.operator ++(CL0 x)").WithLocation(10, 21), 70901Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("x", "CL0 CL0.operator ++(CL0 x)").WithLocation(16, 18), 71005Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1[0]").WithArguments("x", "CL0 CL0.operator ++(CL0 x)").WithLocation(10, 21), 71008Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2[0]").WithArguments("x", "CL0 CL0.operator ++(CL0 x)").WithLocation(16, 18), 71117Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "C? A.operator ++(A x)").WithLocation(10, 19), 71120Diagnostic(ErrorCode.WRN_NullReferenceArgument, "++x1").WithArguments("x", "C.implicit operator B(C x)").WithLocation(10, 17) 71215Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("c", "Convertible.implicit operator int(Convertible c)").WithLocation(10, 29) 71257Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL1.implicit operator CL0(CL1 x)").WithLocation(10, 19) 71299Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL1 CL0.operator +(CL0 x, CL0 y)").WithLocation(10, 19), 71302Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y1").WithArguments("y", "CL1 CL0.operator +(CL0 x, CL0 y)").WithLocation(10, 25) 71364Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL1 CL0.operator +(CL0 x, CL0? y)").WithLocation(10, 19), 71367Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("x", "CL1 CL0.operator +(CL0 x, CL0? y)").WithLocation(17, 18), 71472Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x4").WithArguments("x", "CL1? CL0.operator +(CL0 x, CL0? y)").WithLocation(29, 19), 71475Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x4 += y4").WithArguments("x", "CL1.implicit operator CL0(CL1 x)").WithLocation(29, 19), 71478Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x5 += y5").WithArguments("x", "CL1.implicit operator CL0(CL1 x)").WithLocation(36, 9), 71574Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1").WithArguments("x", "CL1.implicit operator CL0(CL1 x)").WithLocation(10, 19) 71641Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1[0]").WithArguments("x", "CL1.implicit operator CL0(CL1 x)").WithLocation(10, 19), 71644Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x1[0]").WithArguments("x", "CL1 CL0.operator +(CL0 x, CL0 y)").WithLocation(10, 19) 73679Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x21").WithArguments("x3", "void CL1.M3(Action x3)").WithLocation(15, 18), 73706Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x21").WithArguments("x3", "void CL1.M3(Action x3)").WithLocation(15, 18), 73874Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x21").WithArguments("x3", "void CL1.M3(Action x3)").WithLocation(12, 18), 75375Diagnostic(ErrorCode.WRN_NullReferenceArgument, "null as string").WithArguments("s", "void Extensions.F(string s)").WithLocation(14, 10), 75381Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(p != null) ? p.MiddleName : null").WithArguments("s", "void Extensions.F(string s)").WithLocation(17, 10), 75387Diagnostic(ErrorCode.WRN_NullReferenceArgument, "p.MiddleName ?? null").WithArguments("s", "void Extensions.F(string s)").WithLocation(18, 10) 75442Diagnostic(ErrorCode.WRN_NullReferenceArgument, "null as string").WithArguments("name", "void Program.G(string name)").WithLocation(15, 11), 75451Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(p != null) ? p.MiddleName : null").WithArguments("name", "void Program.G(string name)").WithLocation(19, 11), 75457Diagnostic(ErrorCode.WRN_NullReferenceArgument, "p.MiddleName ?? null").WithArguments("name", "void Program.G(string name)").WithLocation(20, 11) 75886Diagnostic(ErrorCode.WRN_NullReferenceArgument, "G(t!)").WithArguments("t", "T? C<T>.F(T t)").WithLocation(7, 11), 75889Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t").WithArguments("t", "T? C<T>.G(T t)").WithLocation(8, 13)); 76151Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("key", "void C<int>.Add(C<object?> key, params C<object?>[] value)").WithLocation(9, 28), 76677Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("a", "A.implicit operator B(A a)").WithLocation(12, 14)); 77349Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("s", "void C.G(string s)").WithLocation(14, 15)); 77453Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "void C.F1(object o)").WithLocation(9, 16)); 77479Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "void C.F(object o)").WithLocation(8, 15)); 77491Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "void C.F(object o)").WithLocation(8, 15)); 77575Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "void C.G(object o)").WithLocation(9, 11)); 77605Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("s", "string? C.F(string s)").WithLocation(8, 11), 77608Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("s", "string? C.F(string s)").WithLocation(11, 11)); 78065Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F0<T>(T t = default(T))").WithLocation(39, 15), 78068Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F6<T, T>(T t = default(T))").WithLocation(41, 18), 78080Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F0<T>(T t = default(T))").WithLocation(66, 15), 78083Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F3<T>(T t = default(T))").WithLocation(69, 15), 78086Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F6<T, T>(T t = default(T))").WithLocation(72, 18), 78104Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F0<T>(T t = default(T))").WithLocation(91, 15), 78107Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F5<T>(T t = default(T))").WithLocation(93, 15), 78110Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F6<T, T>(T t = default(T))").WithLocation(95, 18), 78113Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F0<T>(T t = default(T))").WithLocation(100, 15), 78116Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void P.F6<T, U>(T t = default(T))").WithLocation(102, 18) 79746Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("a", "A.implicit operator C(A a)").WithLocation(13, 13)); 79839Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b2").WithArguments("a", "A.explicit operator C(A a)").WithLocation(19, 26), 79842Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b2").WithArguments("a", "A.explicit operator C(A a)").WithLocation(20, 27)); 79962Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b").WithArguments("a", "A.explicit operator S(A a)").WithLocation(12, 26), 79965Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b").WithArguments("a", "A.explicit operator S(A a)").WithLocation(13, 27)); 80049Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("a", "A.implicit operator C(A a)").WithLocation(13, 13), 80055Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("a", "A.implicit operator C(A a)").WithLocation(14, 13)); 80083Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("c", "C.implicit operator B(C c)").WithLocation(12, 22)); 81641Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? y : null!").WithArguments("item4", "(object?, object, object?, object, object?, (object, object?), object, object, object?, object).ValueTuple(object? item1, object item2, object? item3, object item4, object? item5, (object, object?) item6, object item7, (object, object?, object) rest)").WithLocation(10, 13), 81644Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? y : null!").WithArguments("item1", "(object, object?).ValueTuple(object item1, object? item2)").WithLocation(12, 45), 81647Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? y : null!").WithArguments("item3", "(object, object?, object).ValueTuple(object item1, object? item2, object item3)").WithLocation(14, 71), 81796Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("item4", "(object?, object, object?, object, object?, (object, object?), object, object, object?, object).ValueTuple(object? item1, object item2, object? item3, object item4, object? item5, (object, object?) item6, object item7, (object, object?, object) rest)").WithLocation(10, 13), 82307Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? y : x").WithArguments("item4", "(object?, object, object?, object, object?, (object, object?), object, object, object?, object).ValueTuple(object? item1, object item2, object? item3, object item4, object? item5, (object, object?) item6, object item7, (object, object?, object) rest)").WithLocation(10, 13), 82310Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? y : x").WithArguments("item1", "(object, object?).ValueTuple(object item1, object? item2)").WithLocation(12, 45), 82313Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b ? y : x").WithArguments("item3", "(object, object?, object).ValueTuple(object item1, object? item2, object item3)").WithLocation(13, 73), 82316Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("item7", "(object?, object, object?, object, object?, (object, object?), object, object, object?, object).ValueTuple(object? item1, object item2, object? item3, object item4, object? item5, (object, object?) item6, object item7, (object, object?, object) rest)").WithLocation(14, 20), 86131Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("a", "A2.implicit operator B?(A2 a)").WithLocation(32, 27), 86137Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("a", "A2.implicit operator B?(A2 a)").WithLocation(33, 28), 86143Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x4").WithArguments("a", "A4.implicit operator B(A4 a)").WithLocation(48, 27), 86146Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x4").WithArguments("a", "A4.implicit operator B(A4 a)").WithLocation(49, 28), 88141Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("a", "IEnumerator<string> Extensions.GetEnumerator(A a)").WithLocation(8, 26)); 88287Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("a", "IEnumerator<string> Extensions.GetEnumerator(A? a)").WithLocation(9, 26)); 88644Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("a", "IAsyncEnumerator<string> Extensions.GetAsyncEnumerator(A a)").WithLocation(8, 32) 88791Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a").WithArguments("a", "IAsyncEnumerator<string> Extensions.GetAsyncEnumerator(A? a)").WithLocation(9, 32) 90934Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a.F").WithArguments("s", "void Program.G(string s)").WithLocation(10, 11), 90937Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b.F").WithArguments("s", "void Program.G(string s)").WithLocation(13, 11)); 90997Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a.P").WithArguments("s", "void Program.G(string s)").WithLocation(9, 11), 91000Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b.P").WithArguments("s", "void Program.G(string s)").WithLocation(12, 11)); 91029Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a.P").WithArguments("s", "void Program.G(string s)").WithLocation(9, 11), 91032Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b.P").WithArguments("s", "void Program.G(string s)").WithLocation(12, 11)); 91065Diagnostic(ErrorCode.WRN_NullReferenceArgument, "this.P").WithArguments("s", "void A.F(string s)").WithLocation(17, 11), 91068Diagnostic(ErrorCode.WRN_NullReferenceArgument, "base.P").WithArguments("s", "void A.F(string s)").WithLocation(19, 11), 91071Diagnostic(ErrorCode.WRN_NullReferenceArgument, "P").WithArguments("s", "void A.F(string s)").WithLocation(9, 11)); 101807Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "void Test2.M2(ValueType x)").WithLocation(27, 12), 101813Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "void Test3.M2(object x)").WithLocation(47, 12), 101879Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "void Test2.M2(ValueType x)").WithLocation(15, 12), 101885Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "void Test3.M2(object x)").WithLocation(30, 12), 105923Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t1").WithArguments("o", "void C.F(object o)").WithLocation(8, 18), 105929Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(object)t1").WithArguments("o", "void C.F(object o)").WithLocation(9, 18), 105935Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t4").WithArguments("o", "void C.F(object o)").WithLocation(26, 18), 105941Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(object)t4").WithArguments("o", "void C.F(object o)").WithLocation(27, 18), 106412Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(object)t1").WithArguments("o", "void C.F(object o)").WithLocation(8, 11) 107733Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("t", "void I<object>.F(object t)").WithLocation(11, 14)); 107769Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("t", "void A<object>.F(object t)").WithLocation(11, 14)); 111393Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("y", "void E.F2(C x, C y)").WithLocation(13, 22), 111396Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void E.F2(C x, C y)").WithLocation(14, 9), 111399Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("y", "void E.F2(C x, C y)").WithLocation(14, 14)); 111830Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void E.F(C x)").WithLocation(12, 12)); 114647Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("x", "object Outer.M1<object>(object x, object y)").WithLocation(6, 12) 115314Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x0").WithArguments("a", "void Outer.M2(object a)").WithLocation(6, 12) 115336Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x0").WithArguments("a", "void Outer.M2(in object a)").WithLocation(6, 12) 119958Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("t", "void C<object>.F(object t)").WithLocation(12, 13), 119961Diagnostic(ErrorCode.WRN_NullReferenceArgument, "z").WithArguments("t", "void C<object>.F(object t)").WithLocation(13, 13), 121197Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a1.F").WithArguments("o", "void Program.F(object o)").WithLocation(12, 18), 121200Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b1.F").WithArguments("o", "void Program.F(object o)").WithLocation(14, 18), 121206Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a2.F").WithArguments("o", "void Program.F(object o)").WithLocation(19, 18), 121209Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b2.F").WithArguments("o", "void Program.F(object o)").WithLocation(21, 18)); 121250Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a1.F").WithArguments("o", "void Program.F(object o)").WithLocation(12, 18), 121253Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b1.F").WithArguments("o", "void Program.F(object o)").WithLocation(14, 18), 121259Diagnostic(ErrorCode.WRN_NullReferenceArgument, "a2.F").WithArguments("o", "void Program.F(object o)").WithLocation(19, 18), 121262Diagnostic(ErrorCode.WRN_NullReferenceArgument, "b2.F").WithArguments("o", "void Program.F(object o)").WithLocation(21, 18)); 125059Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nc").WithArguments("c", "S.implicit operator S(C c)").WithLocation(30, 30), 125062Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nc").WithArguments("c", "S.implicit operator S(C c)").WithLocation(35, 25)); 125127Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nc").WithArguments("c", "S.implicit operator S?(C c)").WithLocation(32, 30), 125133Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nc").WithArguments("c", "S.implicit operator S?(C c)").WithLocation(37, 25), 125750Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nt").WithArguments("t", "S<T>.implicit operator S<T>(T t)").WithLocation(27, 33), 125753Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nt").WithArguments("t", "S<T>.implicit operator S<T>(T t)").WithLocation(32, 28)); 125815Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nt").WithArguments("t", "S<T>.implicit operator S<T>?(T t)").WithLocation(29, 33), 125821Diagnostic(ErrorCode.WRN_NullReferenceArgument, "nt").WithArguments("t", "S<T>.implicit operator S<T>?(T t)").WithLocation(34, 28), 128430Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c1").WithArguments("c", "C C.GetC(C c)").WithLocation(19, 31)); 128594Diagnostic(ErrorCode.WRN_NullReferenceArgument, "c1").WithArguments("c1", "C C.M2(C c1)").WithLocation(6, 19)); 130143Diagnostic(ErrorCode.WRN_NullReferenceArgument, "p").WithArguments("p", "void E.Deconstruct<object?, object>(Pair<object?, object> p, out object? t, out object u)").WithLocation(12, 34), 130176Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(object? x, (object y, object? z)) = p").WithArguments("p", "void E.Deconstruct<object, object?>(Pair<object, object?> p, out object t, out object? u)").WithLocation(12, 9), 130469Diagnostic(ErrorCode.WRN_NullReferenceArgument, "var (x, (y, z)) = p").WithArguments("p", "void E.Deconstruct<object, object?>(Pair2<object, object?> p, out object t, out object? u)").WithLocation(21, 9), 131948Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "object Program.F(object x)").WithLocation(6, 18)); 131972Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "object Program.F(object x)").WithLocation(8, 18)); 132253Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y1").WithArguments("t", "void IA<T>.A(T t)").WithLocation(22, 22), 132256Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y1").WithArguments("t", "void IB<T>.B(T t)").WithLocation(23, 22), 132262Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("t", "void IA<T>.A(T t)").WithLocation(35, 22), 132265Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("t", "void IB<T>.B(T t)").WithLocation(36, 22)); 132397Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("other", "bool IEquatable<string>.Equals(string other)").WithLocation(28, 18) 132431Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("other", "bool IEquatable<string>.Equals(string other)").WithLocation(16, 25) 132645Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "bool G<T>.M1(object o)").WithLocation(7, 19), 132654Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("o", "bool G<T>.M1(object o)").WithLocation(16, 16), 136215Diagnostic(ErrorCode.WRN_NullReferenceArgument, "F").WithArguments("y", "A.A(object x, object y)").WithLocation(7, 23), 136244Diagnostic(ErrorCode.WRN_NullReferenceArgument, "F").WithArguments("y", "A.A(object x, object y)").WithLocation(7, 16), 136361Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void E.F<string>(string t)").WithLocation(14, 13), 136400Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void E.F<string>(string t)").WithLocation(13, 20), 136434Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void E.F<string>(string t, int i)").WithLocation(13, 13)); 136463Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void E.F<string>(string t, int i)").WithLocation(12, 24)); 136497Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void E.F<string, string?>(string t, string? u)").WithLocation(14, 20), 136500Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void E.F<string, string>(string t, string u)").WithLocation(15, 20)); 136531Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void E.F<string, string?>(string t, string? u)").WithLocation(12, 35), 136534Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("t", "void E.F<string, string>(string t, string u)").WithLocation(13, 34)); 137020Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void E.F<object>(object x, object y)").WithLocation(17, 21), 137023Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("x", "void E.F<object>(object x, object y)").WithLocation(21, 34)); 137061Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("t", "T E.F<T>(T t)").WithLocation(17, 21), 137064Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("t", "T E.F<T>(T t)").WithLocation(21, 29)); 143478Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t2").WithArguments("t", "void C<T>.F0(T t)").WithLocation(19, 23), 143484Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t3").WithArguments("t", "void C<T>.F0(T t)").WithLocation(35, 23), 143490Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t4").WithArguments("t", "void C<T>.F0(T t)").WithLocation(51, 23), 143496Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t7").WithArguments("t", "void C<T>.F0(T t)").WithLocation(83, 23), 149171Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void Program.F<T1>(T1 t)").WithLocation(9, 15), 149180Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void Program.F<T5>(T5 t)").WithLocation(29, 15)); 149352Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("t", "void C<T>.F1(T t)").WithLocation(11, 19), 149358Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(T)y").WithArguments("t", "void C<T>.F1(T t)").WithLocation(12, 19), 149361Diagnostic(ErrorCode.WRN_NullReferenceArgument, "(T?)y").WithArguments("t", "void C<T>.F1(T t)").WithLocation(13, 19), 149364Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "void C<T>.F1(T t)").WithLocation(14, 19), 149367Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default(T)").WithArguments("t", "void C<T>.F1(T t)").WithLocation(15, 19)); 149436Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("t", "void C<T>.F(T t)").WithLocation(11, 15), 149439Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("t", "void C<T>.F(T t)").WithLocation(16, 15), 149442Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o").WithArguments("t", "void C<T>.F(T t)").WithLocation(21, 15)); 149475Diagnostic(ErrorCode.WRN_NullReferenceArgument, "iy").WithArguments("t", "void C<T>.F(T t)").WithLocation(20, 15)); 150173Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("u", "void A<T>.F<U>(U u)").WithLocation(7, 26), 150191Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("u", "void A<T>.F<U>(U u)").WithLocation(16, 26), 151876Diagnostic(ErrorCode.WRN_NullReferenceArgument, "t").WithArguments("", "delegate*<T, void>").WithLocation(8, 14), 152654Diagnostic(ErrorCode.WRN_NullReferenceArgument, "y").WithArguments("y", "object A.this[object? x, object y]").WithLocation(7, 22)); 152942Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "T C.FT<T>(T t)").WithLocation(30, 26), 152951Diagnostic(ErrorCode.WRN_NullReferenceArgument, "default").WithArguments("t", "T C.FTO<T>(T t)").WithLocation(35, 27), 156009Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x2").WithArguments("x", "void ITest28.Add(ITest28 x)").WithLocation(9, 31)

650Diagnostic(ErrorCode.WRN_NullReferenceArgument, "x").WithArguments("o", "void C.F(object o)").WithLocation(18, 19)); 2572Diagnostic(ErrorCode.WRN_NullReferenceArgument, "@bool switch { true => a, false => b }").WithArguments("t2", "I C.M1<I>(I t1, I t2)").WithLocation(9, 15)

3241Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o1").WithArguments("u", "object? C<object?, object>.this[object u]").WithLocation(9, 19), 3244Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o1").WithArguments("u", "object? C<object?, object>.this[object u]").WithLocation(10, 23), 3250Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o1").WithArguments("u", "object C<object, object>.this[object u]").WithLocation(17, 19), 3253Diagnostic(ErrorCode.WRN_NullReferenceArgument, "o1").WithArguments("u", "object C<object, object>.this[object u]").WithLocation(18, 23));

79Diagnostic(ErrorCode.WRN_NullReferenceArgument, "s").WithArguments("o", "void Extensions.StringExt(object o)").WithLocation(17, 9));

323case ErrorCode.WRN_NullReferenceArgument: