42nullableWarnings.Add(GetId(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint)); 475case ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint: 2020or ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint

231case ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint:

1153nullabilityDiagnosticsBuilderOpt.Add(new TypeParameterDiagnosticInfo(typeParameter, new UseSiteInfo<AssemblySymbol>(new CSDiagnosticInfo(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, containingSymbol.ConstructedFrom(), typeParameter, typeArgument))));

31401Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "[null]").WithArguments("MyCollectionBuilder.Create<T>(System.ReadOnlySpan<T>)", "T", "string?").WithLocation(7, 28), 31447Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "[null]").WithArguments("MyCollectionBuilder.Create<T>(System.ReadOnlySpan<T?>)", "T", "string?").WithLocation(7, 28), 32714Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("C.M<T>(ref T, T[])", "T", "string?").WithLocation(6, 9), 32720Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("C.M<T>(ref T, T[])", "T", "string?").WithLocation(10, 9), 32726Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("C.M<T>(ref T, T[])", "T", "string?").WithLocation(18, 9) 33015Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("C.M<T>(System.Func<T>[])", "T", "string?").WithLocation(10, 9),

3438Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "-x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(22, 10) 3488Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "-x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(27, 10), 3587Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(20, 13) 9214Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "--x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(22, 10), 9270Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "--x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(27, 10) 9710Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "--x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(24, 10) 17504Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x - y").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(23, 10), 17507Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y - x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(24, 10) 17558Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x - y").WithArguments("Extensions1.extension<T, S>(C1<T>)", "T", "C2?").WithLocation(28, 10), 17564Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y - x").WithArguments("Extensions1.extension<T, S>(C1<T>)", "S", "C2?").WithLocation(29, 10) 18037Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x && y").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(29, 10), 18043Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y && x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(30, 10), 18095Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(29, 10), 18158Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x && y").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(31, 10), 18161Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(31, 10), 18167Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y && x").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(32, 10), 18170Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(32, 10) 18218Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Get").WithArguments("Program.Get<T>(T)", "T", "C2?").WithLocation(23, 17), 25873Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x -= y").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(23, 10), 25876Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "y -= x").WithArguments("Extensions1.extension<T>(T)", "T", "C2?").WithLocation(24, 10) 26404Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "x -= 1").WithArguments("Extensions1.extension<T>(C1<T>)", "T", "C2?").WithLocation(24, 10)

12530Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "o.Method").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 1)); 39646Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.M").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 1), 39692Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.M").WithArguments("E.extension<object?>(object?).M<U>(U)", "U", "object?").WithLocation(4, 1), 39695Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.M").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 1), 39734Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Derived1.M").WithArguments("E.extension<T>(C<T>)", "T", "object?").WithLocation(3, 1), 40296Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Derived1.M").WithArguments("E.extension<T>(C<T>)", "T", "object?").WithLocation(3, 9), 40302Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "new Derived1().M2").WithArguments("E.M2<T>(C<T>)", "T", "object?").WithLocation(6, 9), 40464Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 16)); 40805Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 26),

1332Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "oNull.P").WithArguments("E.extension<T>(T)", "T", "object?").WithLocation(4, 5)); 1365Diagnostic(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));

41908Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M0").WithArguments("Program.M0<T>(T)", "T", "string?").WithLocation(8, 9), 41957Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M0").WithArguments("Program.M0<T>(params T[]?)", "T", "string?").WithLocation(8, 9), 91836Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "new A<string?>()").WithArguments("Extensions.GetEnumerator<T>(A<T>)", "T", "string?").WithLocation(12, 26), 92338Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "new A<string?>()").WithArguments("Extensions.GetAsyncEnumerator<T>(A<T>)", "T", "string?").WithLocation(12, 32), 101512Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(6, 16), 101515Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(7, 16), 101518Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(7, 34), 101521Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Field").WithArguments("C<T>", "T", "object?").WithLocation(11, 23), 101524Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(11, 37), 101527Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(12, 16), 101530Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(13, 16), 101533Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(13, 34), 101536Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Property").WithArguments("C<T>", "T", "object?").WithLocation(15, 18), 101539Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "Method").WithArguments("C<T>", "T", "object?").WithLocation(16, 18), 101542Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("C<T>", "T", "object?").WithLocation(16, 36), 101545Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(19, 12), 101548Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "object?").WithArguments("C<T>", "T", "object?").WithLocation(19, 25)); 101701Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("(T1, T2)", "T2", "string?").WithLocation(4, 31), 101704Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("(T1, T2)", "T2", "string?").WithLocation(6, 34)); 101729Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("(T1, T2)", "T2", "string?").WithLocation(5, 26), 101732Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("(T1, T2)", "T2", "string?").WithLocation(6, 29), 101735Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "p").WithArguments("C<T>", "T", "string?").WithLocation(7, 19)); 101758Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "c").WithArguments("C<T>", "T", "string?").WithLocation(9, 51), 101761Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "C<string?>").WithArguments("C<T>", "T", "string?").WithLocation(10, 37), 101764Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("C<T>", "T", "string?").WithLocation(10, 64)); 101791Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "s2").WithArguments("(T1, T2)", "T2", "string?").WithLocation(9, 23), 101794Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "s2").WithArguments("(T1, T2)", "T1", "string?").WithLocation(10, 19), 101797Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "s2").WithArguments("(T1, T2)", "T1", "string?").WithLocation(11, 19), 101800Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "s2").WithArguments("(T1, T2)", "T2", "string?").WithLocation(11, 23), 101803Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "(string)null").WithArguments("(T1, T2)", "T1", "string?").WithLocation(12, 19), 101806Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "(string)null").WithArguments("System.ValueTuple<T1, T2, T3, T4, T5, T6, T7, TRest>", "T1", "string?").WithLocation(13, 19), 101809Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "(string)null").WithArguments("(T1, T2)", "T1", "string?").WithLocation(13, 57), 101812Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "(string)null").WithArguments("(T1, T2)", "T2", "string?").WithLocation(13, 71) 101837Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("(T1, T2)", "T1", "string?").WithLocation(7, 10), 101840Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("System.ValueTuple<T1, T2, T3, T4, T5, T6, T7, TRest>", "T1", "string?").WithLocation(8, 10), 101843Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("(T1, T2)", "T2", "string?").WithLocation(8, 75), 101846Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("(T1, T2)", "T1", "string?").WithLocation(9, 27), 101849Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("System.ValueTuple<T1, T2, T3, T4, T5, T6, T7, TRest>", "T1", "string?").WithLocation(10, 27), 101852Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("(T1, T2)", "T2", "string?").WithLocation(10, 92) 105295Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M<int?>").WithArguments("A.M<T>(T)", "T", "int?").WithLocation(7, 9), 105298Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("A.M<T>(T)", "T", "int?").WithLocation(8, 9), 105301Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M").WithArguments("A.M<T>(T)", "T", "int?").WithLocation(11, 9) 105458Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "B").WithArguments("A<T>", "T", "System.ValueType?").WithLocation(11, 14) 109119Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "IB").WithArguments("IA<TA>", "TA", "string?").WithLocation(8, 18), 109122Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("IA<TA>", "TA", "string?").WithLocation(18, 12), 109125Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(27, 9), 109128Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(29, 9), 109131Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(30, 9) 109177Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "IB").WithArguments("IA<TA>", "TA", "string?").WithLocation(8, 18), 109180Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "string?").WithArguments("IA<TA>", "TA", "string?").WithLocation(18, 12), 109183Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(27, 9), 109186Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(29, 9), 109189Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<string?>").WithArguments("B.M1<TM1>(TM1)", "TM1", "string?").WithLocation(30, 9) 109239Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(21, 12), 109242Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(30, 9), 109245Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<TB1>").WithArguments("B<TB1, TB2>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(32, 9) 109299Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "IB").WithArguments("IA<TA>", "TA", "TIB").WithLocation(4, 18), 109302Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(14, 12), 109305Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("A.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(20, 9), 109308Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<TB1>").WithArguments("A.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(22, 9) 109394Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "TB1").WithArguments("IA<TA>", "TA", "TB1").WithLocation(12, 12), 109403Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("B<TB1>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(20, 9), 109412Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<TB1>").WithArguments("B<TB1>.M1<TM1>(TM1)", "TM1", "TB1").WithLocation(21, 9), 116988Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(7, 9), 116991Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2<T>").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(8, 9), 116994Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(10, 9), 117000Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2<T>").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(11, 9), 118125Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(6, 9), 118128Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<T>").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(7, 9) 118153Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(7, 9), 118156Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M1<T>").WithArguments("Outer.M1<T>(T)", "T", "T").WithLocation(8, 9) 119027Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2").WithArguments("Outer.M2<U>(ref U, ref U)", "U", "T").WithLocation(8, 9), 119030Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2<T>").WithArguments("Outer.M2<U>(ref U, ref U)", "U", "T").WithLocation(9, 9) 119059Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(7, 9), 119062Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "M2<T>").WithArguments("Outer.M2<U>(U)", "U", "T").WithLocation(8, 9) 133719Diagnostic(ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint, "MakeList").WithArguments("Program.MakeList<T>(T)", "T", "object?").WithLocation(14, 31),

382case ErrorCode.WRN_NullabilityMismatchInTypeParameterNotNullConstraint: