41nullableWarnings.Add(GetId(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint)); 462case ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint: 1976or ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint

222case ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint:

1160nullabilityDiagnosticsBuilderOpt.Add(new TypeParameterDiagnosticInfo(typeParameter, new UseSiteInfo<AssemblySymbol>(new CSDiagnosticInfo(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, containingSymbol.ConstructedFrom(), typeParameter, typeArgument))));

1538Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "object?").WithArguments("C<T, U>", "T", "object?").WithLocation(5, 15), 1541Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "object?").WithArguments("C<T, U>", "T", "object?").WithLocation(6, 15)

9648Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "--x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(19, 10), 26350Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "x -= 1").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(19, 10),

25720Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("R<T>", "T", "string?").WithLocation(10, 23), 25723Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("R2<T>", "T", "string?").WithLocation(11, 25)

3076Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "new C().M<object?>").WithArguments("C.M<T>()", "T", "object?").WithLocation(2, 9)

8431Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("C<T>", "T", "string?").WithLocation(18, 25), 8434Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "x").WithArguments("C<T>", "T", "string?").WithLocation(34, 33), 8437Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("C<T>", "T", "string?").WithLocation(35, 35), 8443Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("C<T>", "T", "string?").WithLocation(37, 29), 8446Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "D2").WithArguments("C<T>", "T", "string?").WithLocation(39, 11), 8449Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "+").WithArguments("C<T>", "T", "T?").WithLocation(40, 34), 8452Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "y").WithArguments("C<T>", "T", "T?").WithLocation(40, 50), 8455Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "x").WithArguments("C<T>", "T", "T?").WithLocation(43, 18), 8458Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "x").WithArguments("C<T>", "T", "string?").WithLocation(45, 36) 28772Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, out T)", "T", "T?").WithLocation(34, 13), 28781Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, out T?)", "T", "T?").WithLocation(38, 13), 28796Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, out T)", "T", "T?").WithLocation(48, 13), 28805Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, out T?)", "T", "T?").WithLocation(52, 13), 31690Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, out T)", "T", "T?").WithLocation(34, 13), 31696Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, out T?)", "T", "T?").WithLocation(38, 13), 31705Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, out T)", "T", "T?").WithLocation(48, 13), 31711Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, out T?)", "T", "T?").WithLocation(52, 13), 35194Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "CopyOrDefault").WithArguments("C.CopyOrDefault<T>(T, out T?)", "T", "string?").WithLocation(6, 9), 35270Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "CopyOrDefault").WithArguments("C.CopyOrDefault<T>(T, out T?[])", "T", "string?").WithLocation(6, 9), 36363Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Copy").WithArguments("C.Copy<T>(T, out T?)", "T", "string?").WithLocation(7, 9) 36575Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Copy").WithArguments("C.Copy<T>(T)", "T", "string?").WithLocation(6, 17), 40077Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(20, 9), 40080Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(26, 9)); 40330Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F1").WithArguments("A.F1<T>(T)", "T", "object?").WithLocation(7, 9), 40333Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T)", "T", "object?").WithLocation(9, 9)); 41166Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F1").WithArguments("A.F1<T>(T, T)", "T", "object?").WithLocation(10, 9), 41169Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F1").WithArguments("A.F1<T>(T, T)", "T", "object?").WithLocation(11, 9), 41172Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F1").WithArguments("A.F1<T>(T, T)", "T", "object?").WithLocation(13, 9), 41175Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T, T)", "T", "object?").WithLocation(15, 9), 41178Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T, T)", "T", "object?").WithLocation(16, 9), 41181Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T, T)", "T", "object?").WithLocation(18, 9), 41184Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T, T)", "T", "object?").WithLocation(20, 9), 41187Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T, T)", "T", "object?").WithLocation(21, 9) 43900Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(21, 16), 43912Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(27, 16), 44089Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(21, 16), 44101Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(27, 16), 45869Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(21, 9), 45875Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T)", "T", "T?").WithLocation(22, 9), 45884Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(27, 9), 45890Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T)", "T", "T?").WithLocation(28, 9), 46259Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F1").WithArguments("A.F1<T>(T)", "T", "object?").WithLocation(7, 9), 46265Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T)", "T", "object?").WithLocation(9, 9), 46515Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, out T)", "T", "T?").WithLocation(29, 9), 46521Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, out T?)", "T", "T?").WithLocation(32, 9), 46530Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, out T)", "T", "T?").WithLocation(40, 9), 46536Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, out T?)", "T", "T?").WithLocation(43, 9), 46823Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F1").WithArguments("A.F1<T>(T, out T)", "T", "object?").WithLocation(7, 9), 46829Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T, out T)", "T", "object?").WithLocation(13, 9), 47081Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, ref T)", "T", "T?").WithLocation(39, 9), 47087Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, ref T?)", "T", "T?").WithLocation(43, 9), 47096Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, ref T)", "T", "T?").WithLocation(53, 9), 47105Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, ref T?)", "T", "T?").WithLocation(57, 9), 47311Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(20, 9), 47314Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T)", "T", "T?").WithLocation(21, 9), 47317Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T)", "T", "T?").WithLocation(26, 9), 47320Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T)", "T", "T?").WithLocation(27, 9) 47477Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F1").WithArguments("A.F1<T>(T)", "T", "object?").WithLocation(7, 9), 47483Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("A.F2<T>(T)", "T", "object?").WithLocation(9, 9) 48245Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, out T)", "T", "T?").WithLocation(29, 9), 48248Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, out T?)", "T", "T?").WithLocation(32, 9), 48251Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F2").WithArguments("Program.F2<T>(T, out T)", "T", "T?").WithLocation(40, 9), 48254Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F3").WithArguments("Program.F3<T>(T, out T?)", "T", "T?").WithLocation(43, 9)); 48850Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "t1.E1").WithArguments("Program.E1<T>(T)", "T", "T?").WithLocation(13, 13), 48856Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "t2.E1").WithArguments("Program.E1<T>(T)", "T", "T").WithLocation(19, 13)); 64017Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("D<T>", "T", "string?").WithLocation(6, 21), 64032Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("D<T>", "T", "string?").WithLocation(10, 21), 78235Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<string?>").WithArguments("C.M1<T>(T?)", "T", "string?").WithLocation(25, 9), 78244Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<CL0<string?>?>").WithArguments("C.M1<T>(T?)", "T", "CL0<string?>?").WithLocation(35, 9), 84569Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F").WithArguments("C.F<T>((T, T?))", "T", "string?").WithLocation(8, 9), 84575Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F").WithArguments("C.F<T>((T, T?))", "T", "string?").WithLocation(9, 9), 84600Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F").WithArguments("C.F<T>((T, T?))", "T", "string?").WithLocation(8, 9), 84606Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F").WithArguments("C.F<T>((T, T?))", "T", "string?").WithLocation(9, 9), 89915Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "x1").WithArguments("A1<T>", "T", "T?").WithLocation(12, 27), 89924Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "x2").WithArguments("A2<T>", "T", "T?").WithLocation(21, 27), 90194Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "c").WithArguments("C<T>", "T", "T?").WithLocation(10, 28), 90257Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "T?").WithArguments("S<T>", "T", "T?").WithLocation(25, 34), 90266Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "T?").WithArguments("S<T>", "T", "T?").WithLocation(27, 32), 90272Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "T?").WithArguments("S<T>", "T", "T?").WithLocation(29, 33), 90278Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "T?").WithArguments("S<T>", "T", "T?").WithLocation(31, 38), 91801Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "new A<string?>()").WithArguments("Extensions.GetEnumerator<T>(A<T>)", "T", "string?").WithLocation(12, 26), 92302Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "new A<string?>()").WithArguments("Extensions.GetAsyncEnumerator<T>(A<T>)", "T", "string?").WithLocation(12, 32), 93524Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F").WithArguments("C.F<T>(T, T?)", "T", "C?").WithLocation(6, 9), 93530Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F").WithArguments("C.F<T>(T, T?)", "T", "C?").WithLocation(7, 9), 94147Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F").WithArguments("C.F<T>(IOut<T>, IOut<T?>)", "T", "string?").WithLocation(36, 9), 94153Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F").WithArguments("C.F<T>(IOut<T>, IOut<T?>)", "T", "string?").WithLocation(37, 9), 101579Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(6, 16), 101582Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(7, 16), 101585Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(7, 34), 101588Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Field").WithArguments("C<T>", "T", "object?").WithLocation(11, 23), 101591Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(11, 37), 101594Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(12, 16), 101597Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(13, 16), 101600Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(13, 34), 101603Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(15, 18), 101606Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(16, 18), 101609Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(16, 36), 101612Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(19, 12), 101615Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(19, 25)); 101648Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "C3<A?>").WithArguments("C3<T>", "T", "A?").WithLocation(10, 14)); 101681Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "D6").WithArguments("C3<T>", "T", "A?").WithLocation(10, 7)); 107899Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "IB").WithArguments("IA<TA>", "TA", "string?").WithLocation(8, 18), 107902Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("IA<TA>", "TA", "string?").WithLocation(18, 12), 107905Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(27, 9), 107908Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(29, 9), 107911Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(30, 9) 108124Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "IB").WithArguments("IA<TA>", "TA", "TIB").WithLocation(8, 18), 108127Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(21, 12), 108130Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(30, 9), 108133Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<TB1>").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(32, 9) 108439Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(21, 12), 108442Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(30, 9), 108445Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<TB1>").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(32, 9) 108490Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "IB").WithArguments("IA<TA>", "TA", "TIB").WithLocation(8, 18), 108493Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(18, 12), 108496Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(27, 9), 108499Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<TB1>").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(29, 9) 108586Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(18, 12), 108589Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(27, 9), 108592Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<TB1>").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(29, 9) 108877Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(12, 12), 108886Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1").WithArguments("B<TB1>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(20, 9), 108895Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<TB1>").WithArguments("B<TB1>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(21, 9), 110955Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "B3").WithArguments("A<T, U>", "T", "T?").WithLocation(19, 7), 110958Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "B3").WithArguments("I<T, U>", "T", "T?").WithLocation(19, 7), 110961Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "B4").WithArguments("A<T, U>", "T", "T?").WithLocation(23, 7), 110964Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "B4").WithArguments("I<T, U>", "T", "T?").WithLocation(23, 7)); 111056Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "object?").WithArguments("C<T, U>", "T", "object?").WithLocation(6, 19), 111059Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "object?").WithArguments("C<T, U>", "T", "object?").WithLocation(7, 19) 111119Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "U").WithArguments("I<T>", "T", "T?").WithLocation(10, 20), 111125Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "U").WithArguments("I<T>", "T", "T?").WithLocation(11, 20), 111717Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "B4").WithArguments("A<T>", "T", "string?").WithLocation(27, 7) 111728Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "B4").WithArguments("A<T>", "T", "string?").WithLocation(27, 7) 112141Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "T").WithArguments("A1<T, U>", "U", "T?").WithLocation(5, 10), 112147Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "T").WithArguments("A2<T, U>", "T", "T?").WithLocation(7, 10)); 112726Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("A2<T>", "T", "string?").WithLocation(5, 16), 118180Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(6, 9), 118183Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<T>").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(7, 9) 118208Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(7, 9), 118211Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "M1<T>").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(8, 9) 134197Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "p").WithArguments("E.Deconstruct<T, U>(Pair<T, U>, out T, out U)", "T", "object?").WithLocation(14, 22), 134242Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "p").WithArguments("E.Deconstruct<T, U>(Pair<T, U>, out T, out U)", "T", "object?").WithLocation(21, 27), 134245Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "p").WithArguments("E.Deconstruct<T, U>(Pair2<T, U>, out T, out U)", "U", "object?").WithLocation(21, 27), 138871Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "F<U>").WithArguments("C.F<T>(I<T>)", "T", "U").WithLocation(16, 9), 141519Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "y.F").WithArguments("E.F<T>(T)", "T", "T?").WithLocation(14, 13), 141522Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "y.F").WithArguments("E.F<T>(T)", "T", "T?").WithLocation(16, 23)); 144967Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "Interlocked.CompareExchange").WithArguments("System.Threading.Interlocked.CompareExchange<T>(ref T, T, T)", "T", "object?").WithLocation(15, 9)); 157945Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "FieldItem").WithArguments("C.AuditedItem<T>", "T", "object?").WithLocation(13, 19), 157948Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "FieldItem").WithArguments("C.AuditedItem<T>", "T", "object?").WithLocation(13, 19), 157951Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "FieldItem").WithArguments("C.AuditedItem<T>", "T", "object?").WithLocation(13, 19)

3004Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("R<T>", "T", "string?").WithLocation(3, 15), 3007Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint, "string?").WithArguments("R2<T>", "T", "string?").WithLocation(4, 17)

374case ErrorCode.WRN_NullabilityMismatchInTypeParameterReferenceTypeConstraint: