42nullableWarnings.Add(GetId(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint)); 474case ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint: 2020or ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint

230case ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint:

1151nullabilityDiagnosticsBuilderOpt.Add(new TypeParameterDiagnosticInfo(typeParameter, new UseSiteInfo<AssemblySymbol>(new CSDiagnosticInfo(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, containingSymbol.ConstructedFrom(), typeParameter, typeArgument))));

34001Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "[null]").WithArguments("MyCollectionBuilder.Create<T>(System.ReadOnlySpan<T>)", "T", "string?").WithLocation(7, 28), 34047Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "[null]").WithArguments("MyCollectionBuilder.Create<T>(System.ReadOnlySpan<T?>)", "T", "string?").WithLocation(7, 28), 35314Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("C.M<T>(ref T, T[])", "T", "string?").WithLocation(6, 9), 35320Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("C.M<T>(ref T, T[])", "T", "string?").WithLocation(10, 9), 35326Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("C.M<T>(ref T, T[])", "T", "string?").WithLocation(18, 9) 35615Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("C.M<T>(System.Func<T>[])", "T", "string?").WithLocation(10, 9),

3439Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "-x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(22, 10) 3489Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "-x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(27, 10), 3588Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(20, 13) 9266Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "--x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(22, 10), 9322Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "--x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(27, 10) 9762Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "--x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(24, 10) 17598Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x - y").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(23, 10), 17601Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y - x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(24, 10) 17652Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x - y").WithArguments("Extensions1.extension<T, S>(C1<T>)", "T", "C2?").WithLocation(28, 10), 17658Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y - x").WithArguments("Extensions1.extension<T, S>(C1<T>)", "S", "C2?").WithLocation(29, 10) 18131Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x && y").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(29, 10), 18137Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y && x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(30, 10), 18189Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(29, 10), 18252Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x && y").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(31, 10), 18255Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(31, 10), 18261Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y && x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(32, 10), 18264Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(32, 10) 18312Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Get").WithArguments("Program.Get<T>(T)", "T", "C2?").WithLocation(23, 17), 26076Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x -= y").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(23, 10), 26079Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y -= x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(24, 10) 26607Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x -= 1").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(24, 10)

13502Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "o.Method").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 1)); 46171Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.M").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 1), 46217Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.M").WithArguments("E.extension<object?>(object?).M<U>(U)", "U", "object?").WithLocation(4, 1), 46220Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.M").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 1), 46259Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Derived1.M").WithArguments("E.extension<T>(C<T>)", "T", "object?").WithLocation(3, 1), 46821Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Derived1.M").WithArguments("E.extension<T>(C<T>)", "T", "object?").WithLocation(3, 9), 46827Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "new Derived1().M2").WithArguments("E.M2<T>(C<T>)", "T", "object?").WithLocation(6, 9), 46989Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 16)); 47330Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 26),

1489Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.P").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 5)); 1522Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.P").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 9));

2982Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "InterceptsLocation").WithArguments("D.Interceptor1<T>(T)", "T", "string?").WithLocation(8, 6));

41937Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M0").WithArguments("Program.M0<T>(T)", "T", "string?").WithLocation(8, 9), 41986Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M0").WithArguments("Program.M0<T>(params T[]?)", "T", "string?").WithLocation(8, 9), 91920Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "new A<string?>()").WithArguments("Extensions.GetEnumerator<T>(A<T>)", "T", "string?").WithLocation(12, 26), 92422Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "new A<string?>()").WithArguments("Extensions.GetAsyncEnumerator<T>(A<T>)", "T", "string?").WithLocation(12, 32), 101596Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(6, 16), 101599Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(7, 16), 101602Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(7, 34), 101605Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Field").WithArguments("C<T>", "T", "object?").WithLocation(11, 23), 101608Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(11, 37), 101611Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(12, 16), 101614Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(13, 16), 101617Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(13, 34), 101620Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(15, 18), 101623Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(16, 18), 101626Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(16, 36), 101629Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(19, 12), 101632Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(19, 25)); 101785Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("(T1, T2)", "T2", "string?").WithLocation(4, 31), 101788Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("(T1, T2)", "T2", "string?").WithLocation(6, 34)); 101813Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("(T1, T2)", "T2", "string?").WithLocation(5, 26), 101816Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("(T1, T2)", "T2", "string?").WithLocation(6, 29), 101819Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("C<T>", "T", "string?").WithLocation(7, 19)); 101842Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "c").WithArguments("C<T>", "T", "string?").WithLocation(9, 51), 101845Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "C<string?>").WithArguments("C<T>", "T", "string?").WithLocation(10, 37), 101848Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("C<T>", "T", "string?").WithLocation(10, 64)); 101875Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "s2").WithArguments("(T1, T2)", "T2", "string?").WithLocation(9, 23), 101878Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "s2").WithArguments("(T1, T2)", "T1", "string?").WithLocation(10, 19), 101881Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "s2").WithArguments("(T1, T2)", "T1", "string?").WithLocation(11, 19), 101884Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "s2").WithArguments("(T1, T2)", "T2", "string?").WithLocation(11, 23), 101887Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "(string)null").WithArguments("(T1, T2)", "T1", "string?").WithLocation(12, 19), 101890Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "(string)null").WithArguments("System.ValueTuple<T1, T2, T3, T4, T5, T6, T7, TRest>", "T1", "string?").WithLocation(13, 19), 101893Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "(string)null").WithArguments("(T1, T2)", "T1", "string?").WithLocation(13, 57), 101896Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "(string)null").WithArguments("(T1, T2)", "T2", "string?").WithLocation(13, 71) 101921Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("(T1, T2)", "T1", "string?").WithLocation(7, 10), 101924Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("System.ValueTuple<T1, T2, T3, T4, T5, T6, T7, TRest>", "T1", "string?").WithLocation(8, 10), 101927Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("(T1, T2)", "T2", "string?").WithLocation(8, 75), 101930Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("(T1, T2)", "T1", "string?").WithLocation(9, 27), 101933Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("System.ValueTuple<T1, T2, T3, T4, T5, T6, T7, TRest>", "T1", "string?").WithLocation(10, 27), 101936Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("(T1, T2)", "T2", "string?").WithLocation(10, 92) 105379Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M<int?>").WithArguments("A.M<T>(T)", "T", "int?").WithLocation(7, 9), 105382Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("A.M<T>(T)", "T", "int?").WithLocation(8, 9), 105385Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("A.M<T>(T)", "T", "int?").WithLocation(11, 9) 105542Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "B").WithArguments("A<T>", "T", "System.ValueType?").WithLocation(11, 14) 109203Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "IB").WithArguments("IA<TA>", "TA", "string?").WithLocation(8, 18), 109206Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("IA<TA>", "TA", "string?").WithLocation(18, 12), 109209Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(27, 9), 109212Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(29, 9), 109215Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(30, 9) 109261Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "IB").WithArguments("IA<TA>", "TA", "string?").WithLocation(8, 18), 109264Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("IA<TA>", "TA", "string?").WithLocation(18, 12), 109267Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(27, 9), 109270Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(29, 9), 109273Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(30, 9) 109323Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(21, 12), 109326Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(30, 9), 109329Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<TB1>").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(32, 9) 109383Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "IB").WithArguments("IA<TA>", "TA", "TIB").WithLocation(4, 18), 109386Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(14, 12), 109389Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("A.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(20, 9), 109392Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<TB1>").WithArguments("A.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(22, 9) 109478Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(12, 12), 109487Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("B<TB1>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(20, 9), 109496Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<TB1>").WithArguments("B<TB1>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(21, 9), 117072Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(7, 9), 117075Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2<T>").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(8, 9), 117078Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(10, 9), 117084Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2<T>").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(11, 9), 118209Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(6, 9), 118212Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<T>").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(7, 9) 118237Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(7, 9), 118240Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<T>").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(8, 9) 119111Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2").WithArguments("Outer.M2<U>(ref U, ref U)", "U", "T").WithLocation(8, 9), 119114Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2<T>").WithArguments("Outer.M2<U>(ref U, ref U)", "U", "T").WithLocation(9, 9) 119143Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(7, 9), 119146Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2<T>").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(8, 9) 133800Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "MakeList").WithArguments("Program.MakeList<T>(T)", "T", "object?").WithLocation(14, 31),

370case ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint: