11396.WithWarningAsError(true)); 11421.WithWarningAsError(false));

10677Diagnostic("SYSLIB5007", "Task.CompletedTask").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(3, 7).WithWarningAsError(true), 10680Diagnostic("SYSLIB5007", "Task.CompletedTask.ConfigureAwait(false)").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(4, 7).WithWarningAsError(true), 10683Diagnostic("SYSLIB5007", "Task.FromResult(1)").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(5, 7).WithWarningAsError(true), 10686Diagnostic("SYSLIB5007", "Task.FromResult(1).ConfigureAwait(false)").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(6, 7).WithWarningAsError(true), 10689Diagnostic("SYSLIB5007", "default(ValueTask)").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(7, 7).WithWarningAsError(true), 10692Diagnostic("SYSLIB5007", "default(ValueTask).ConfigureAwait(false)").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(8, 7).WithWarningAsError(true), 10695Diagnostic("SYSLIB5007", "new ValueTask<int>(1)").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(9, 7).WithWarningAsError(true), 10698Diagnostic("SYSLIB5007", "new ValueTask<int>(1).ConfigureAwait(false)").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(10, 7).WithWarningAsError(true), 10701Diagnostic("SYSLIB5007", "Task.Yield()").WithArguments("System.Runtime.CompilerServices.AsyncHelpers").WithLocation(11, 7).WithWarningAsError(true)

5691Diagnostic(ErrorCode.WRN_UnreferencedField, "_f").WithArguments("X._f").WithLocation(4, 9).WithWarningAsError(true)); 5736Diagnostic(ErrorCode.WRN_DeprecatedSymbol, "Y").WithArguments("Y").WithLocation(4, 19).WithWarningAsError(true));

8796Diagnostic("TEST1", "M1()", isSuppressed: false).WithArguments("C1.M1()").WithLocation(6, 9).WithWarningAsError(true) 8816Diagnostic("TEST1", "M1()", isSuppressed: false).WithArguments("C1.M1()").WithLocation(6, 9).WithWarningAsError(true)

178Diagnostic("CA9999_UseOfVariableThatStartsWithX", "x1").WithArguments("x1").WithWarningAsError(true), 181Diagnostic("CA9999_UseOfVariableThatStartsWithX", "x2").WithArguments("x2").WithWarningAsError(true), 184Diagnostic("CA9999_UseOfVariableThatStartsWithX", "x3").WithArguments("x3").WithWarningAsError(true) 211Diagnostic("CA9999_UseOfVariableThatStartsWithX", "x1").WithArguments("x1").WithWarningAsError(true), 214Diagnostic("CA9999_UseOfVariableThatStartsWithX", "x2").WithArguments("x2").WithWarningAsError(true), 217Diagnostic("CA9999_UseOfVariableThatStartsWithX", "x3").WithArguments("x3").WithWarningAsError(true)); 293Diagnostic("XX0001", "C").WithArguments("NamedType").WithWarningAsError(true), 295Diagnostic("XX0001", "using System;").WithArguments("UsingDirective").WithWarningAsError(true), // using directive 296Diagnostic("XX0001", "Obsolete").WithArguments("Attribute").WithWarningAsError(true), // attribute syntax 298public class C { }").WithArguments("ClassDeclaration").WithWarningAsError(true)); // class declaration 1837builder[i] = builder[i].WithWarningAsError(true);

350diagnostic = diagnostic.WithWarningAsError(true); 351diagnosticNoSuppressor = diagnosticNoSuppressor.WithWarningAsError(true);

62Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 114Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 117Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 179Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 182Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 225Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 288Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 291Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 329Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 378Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 381Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 436Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 439Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 506Diagnostic("DiagModule", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 509Diagnostic("DiagModule", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 628Diagnostic("DiagType", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 631Diagnostic("DiagMethod", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 698Diagnostic("DiagType", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 701Diagnostic("DiagAssembly", "C.Nested").WithArguments("C.Nested").WithLocation(1, 1).WithWarningAsError(true), 704Diagnostic("DiagAssembly", "C.Nested.M()").WithArguments("C.Nested.M()").WithLocation(1, 1).WithWarningAsError(true) 739Diagnostic("Diag", "base.M()").WithArguments("C.M()").WithLocation(7, 9).WithWarningAsError(true), 742Diagnostic("Diag", "M()").WithArguments("C.M()").WithLocation(8, 9).WithWarningAsError(true) 786Diagnostic("Diag", "base.M()").WithArguments("Derived.M()").WithLocation(17, 9).WithWarningAsError(true) 830Diagnostic("Diag", "public class Derived : C { public override void M() { } }").WithArguments("C.C()").WithLocation(1, 1).WithWarningAsError(true), 833Diagnostic("Diag", "C").WithArguments("C").WithLocation(1, 24).WithWarningAsError(true) 942Diagnostic("DiagID1", "new Derived()").WithArguments("Derived.Derived()").WithLocation(1, 5).WithWarningAsError(true), 945Diagnostic("DiagID1", "Derived").WithArguments("Derived").WithLocation(1, 9).WithWarningAsError(true) 1007Diagnostic("DiagID1", "new Derived()").WithArguments("Derived.Derived()").WithLocation(1, 5).WithWarningAsError(true), 1010Diagnostic("DiagID1", "Derived").WithArguments("Derived").WithLocation(1, 9).WithWarningAsError(true) 1069Diagnostic("DiagID1", "S").WithArguments("S").WithLocation(1, 1).WithWarningAsError(true) 1098Diagnostic("DiagID1", "E").WithArguments("E").WithLocation(1, 1).WithWarningAsError(true) 1129Diagnostic("DiagID1", "new C()").WithArguments("C.C()").WithLocation(1, 5).WithWarningAsError(true) 1160Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(1, 1).WithWarningAsError(true) 1191Diagnostic("DiagID1", "C.P").WithArguments("C.P").WithLocation(1, 5).WithWarningAsError(true) 1222Diagnostic("DiagID1", "C.field").WithArguments("C.field").WithLocation(1, 5).WithWarningAsError(true) 1253Diagnostic("DiagID1", "C.Event").WithArguments("C.Event").WithLocation(1, 1).WithWarningAsError(true) 1280Diagnostic("DiagID1", "I").WithArguments("I").WithLocation(1, 1).WithWarningAsError(true) 1304Diagnostic("DiagID1", "D").WithArguments("D").WithLocation(1, 1).WithWarningAsError(true) 1392Diagnostic(ErrorCode.WRN_Experimental, "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 1480Diagnostic("Diag\n", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 1506Diagnostic("Diag\n", "C").WithArguments("C").WithLocation(2, 1).WithWarningAsError(true), 1530Diagnostic("Diag\n01", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 1557Diagnostic(ErrorCode.WRN_Experimental, "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 1603Diagnostic("Diag 01", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true), 1667Diagnostic("Diag 01", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 1682Diagnostic("Diag 01", "C").WithArguments("C").WithLocation(3, 1).WithWarningAsError(true) 1714Diagnostic(ErrorCode.WRN_Experimental, "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 1810Diagnostic("DiagID", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 1851Diagnostic("DiagID", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 1890Diagnostic("DiagID", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 1931Diagnostic("DiagID", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 1972Diagnostic("DiagID", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2011Diagnostic("DiagID", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2052Diagnostic("DiagID", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2091Diagnostic("DiagID", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2117Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2143Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2169Diagnostic("DiagID1", "C").WithArguments("C", "use CCC instead").WithLocation(1, 1).WithWarningAsError(true) 2195Diagnostic("DiagID1", "C").WithArguments("C", "use CCC instead").WithLocation(1, 1).WithWarningAsError(true) 2221Diagnostic("DiagID1", "C").WithArguments("C", "use CC instead").WithLocation(1, 1).WithWarningAsError(true) 2247Diagnostic("DiagID1", "C").WithArguments("C", "use CC instead").WithLocation(1, 1).WithWarningAsError(true) 2273Diagnostic("DiagID1", "C").WithArguments("C", "use CC instead").WithLocation(1, 1).WithWarningAsError(true) 2299Diagnostic("DiagID1", "C").WithArguments("C", "use CC instead").WithLocation(1, 1).WithWarningAsError(true) 2325Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2356Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2387Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2413Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2439Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2464Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2489Diagnostic("DiagID1", "C").WithArguments("C").WithLocation(1, 1).WithWarningAsError(true) 2517Diagnostic("DiagID1", "N.C").WithArguments("N.C").WithLocation(1, 1).WithWarningAsError(true) 2574Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(6, 9).WithWarningAsError(true)

125283Diagnostic(ErrorCode.WRN_NullAsNonNullable, "null").WithWarningAsError(true) 125294Diagnostic(ErrorCode.WRN_NullAsNonNullable, "null").WithWarningAsError(true) 125304Diagnostic(ErrorCode.WRN_NullAsNonNullable, "null").WithWarningAsError(true) 125618Diagnostic(ErrorCode.WRN_NullAsNonNullable, "null").WithWarningAsError(true) 125629Diagnostic(ErrorCode.WRN_NullAsNonNullable, "null").WithWarningAsError(true) 125639Diagnostic(ErrorCode.WRN_NullAsNonNullable, "null").WithWarningAsError(true)

3905Diagnostic(ErrorCode.WRN_UnassignedThisSupportedVersion, "S").WithArguments("S.x").WithLocation(5, 12).WithWarningAsError(true));

2806Diagnostic(ErrorCode.WRN_UninitializedNonNullableField, "f").WithArguments("field", "f").WithLocation(8, 14).WithWarningAsError(warnAsError));

1198Diagnostic("GEN001").WithLocation(1, 1).WithWarningAsError(true), 1203Diagnostic("GEN002").WithLocation(1, 1).WithWarningAsError(true));

158Diagnostic(ErrorCode.WRN_LowercaseEllSuffix, "l").WithLocation(1, 22).WithWarningAsError(true)); 177Diagnostic(ErrorCode.WRN_LowercaseEllSuffix, "l").WithLocation(1, 23).WithWarningAsError(true),

383Diagnostic(ErrorCode.HDN_UnusedUsingDirective, "using System;").WithWarningAsError(false));

8175Diagnostic(ErrorCode.WRN_MissingXMLComment, "C").WithArguments("C").WithWarningAsError(true));

587Diagnostic(ErrorCode.WRN_VolatileByRef, "i").WithArguments("C.i").WithWarningAsError(true)); 594Diagnostic(ErrorCode.WRN_VolatileByRef, "i").WithArguments("C.i").WithWarningAsError(true)); 635Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 688Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 739Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 798Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 854Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 909Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 967Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 1026Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithLocation(7, 13).WithWarningAsError(true), 1032Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithLocation(10, 13).WithWarningAsError(true)); 1096Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithLocation(7, 13).WithWarningAsError(true), 1102Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithLocation(10, 13).WithWarningAsError(true), 1105Diagnostic(ErrorCode.WRN_UnreferencedVar, "w").WithArguments("w").WithLocation(12, 13).WithWarningAsError(true)); 1167Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithLocation(7, 13).WithWarningAsError(true), 1173Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithLocation(10, 13).WithWarningAsError(true)); 1232Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1285Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1339Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1440Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1499Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 1505Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1563Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 1569Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1616Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 1622Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1669Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 1675Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1719Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true)); 1786Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 1838Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 2268Diagnostic(ErrorCode.WRN_UnreferencedVar, "x").WithArguments("x").WithWarningAsError(true), 2271Diagnostic(ErrorCode.WRN_UnreferencedVar, "z").WithArguments("z").WithWarningAsError(true));

254newExpected = expected.WithWarningAsError(!expected.IsWarningAsError);