Preserve 'Cannot find namespace' errors

Author: jwbay

src/compiler/checker.ts

@@ -994,7 +994,7 @@ namespace ts {
             const strictlyValueMeanings = SymbolFlags.Value & ~SymbolFlags.Type;
             const strictlyTypeMeanings = SymbolFlags.Type & ~SymbolFlags.Value;
 
-            if (!(meaning & strictlyValueMeanings)) {
+            if (!(meaning & strictlyValueMeanings) || meaning & SymbolFlags.NamespaceModule) {
                 return false;
             }
 

tests/baselines/reference/invalidImportAliasIdentifiers.errors.txt

@@ -1,6 +1,6 @@
 tests/cases/conformance/internalModules/importDeclarations/invalidImportAliasIdentifiers.ts(5,12): error TS2503: Cannot find namespace 'V'.
 tests/cases/conformance/internalModules/importDeclarations/invalidImportAliasIdentifiers.ts(11,12): error TS2503: Cannot find namespace 'C'.
-tests/cases/conformance/internalModules/importDeclarations/invalidImportAliasIdentifiers.ts(23,12): error TS2691: Cannot find name 'I'. A type exists with this name, but no value.
+tests/cases/conformance/internalModules/importDeclarations/invalidImportAliasIdentifiers.ts(23,12): error TS2503: Cannot find namespace 'I'.
 
 
 ==== tests/cases/conformance/internalModules/importDeclarations/invalidImportAliasIdentifiers.ts (3 errors) ====
@@ -32,5 +32,5 @@ tests/cases/conformance/internalModules/importDeclarations/invalidImportAliasIde
 
     import i = I;
                ~
-!!! error TS2691: Cannot find name 'I'. A type exists with this name, but no value.
+!!! error TS2503: Cannot find namespace 'I'.
 

tests/baselines/reference/strictModeReservedWordInClassDeclaration.errors.txt

@@ -16,9 +16,9 @@ tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(21,9): error TS
 tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(21,17): error TS1213: Identifier expected. 'private' is a reserved word in strict mode. Class definitions are automatically in strict mode.
 tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(23,20): error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
 tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(25,20): error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
-tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(25,20): error TS2691: Cannot find name 'public'. A type exists with this name, but no value.
+tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(25,20): error TS2503: Cannot find namespace 'public'.
 tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(26,21): error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
-tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(26,21): error TS2691: Cannot find name 'public'. A type exists with this name, but no value.
+tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(26,21): error TS2503: Cannot find namespace 'public'.
 tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(27,17): error TS1213: Identifier expected. 'package' is a reserved word in strict mode. Class definitions are automatically in strict mode.
 tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(27,17): error TS2304: Cannot find name 'package'.
 tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(28,17): error TS1213: Identifier expected. 'package' is a reserved word in strict mode. Class definitions are automatically in strict mode.
@@ -88,12 +88,12 @@ tests/cases/compiler/strictModeReservedWordInClassDeclaration.ts(28,17): error T
                        ~~~~~~
 !!! error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
                        ~~~~~~
-!!! error TS2691: Cannot find name 'public'. A type exists with this name, but no value.
+!!! error TS2503: Cannot find namespace 'public'.
     class F1 implements public.private.implements { }
                         ~~~~~~
 !!! error TS1213: Identifier expected. 'public' is a reserved word in strict mode. Class definitions are automatically in strict mode.
                         ~~~~~~
-!!! error TS2691: Cannot find name 'public'. A type exists with this name, but no value.
+!!! error TS2503: Cannot find namespace 'public'.
     class G extends package { }
                     ~~~~~~~
 !!! error TS1213: Identifier expected. 'package' is a reserved word in strict mode. Class definitions are automatically in strict mode.