Avoid superfluous warning after an error is detcted and reported.

// rdar://9132143


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129822 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 6 insertions, 3 deletions

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index ee76cc73a5..702f8c7cfb 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -1735,6 +1735,8 @@ void Parser::ParseDeclarationSpecifiers(DeclSpec &DS,
           DS.getStorageClassSpec() == DeclSpec::SCS_typedef) {
         PrevSpec = ""; // Not used by the diagnostic.
         DiagID = diag::err_bool_redeclaration;
+        // For better error recovery.
+        Tok.setKind(tok::identifier);
         isInvalid = true;
       } else {
         isInvalid = DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec,
@@ -1856,7 +1858,8 @@ void Parser::ParseDeclarationSpecifiers(DeclSpec &DS,
     }
 
     DS.SetRangeEnd(Tok.getLocation());
-    ConsumeToken();
+    if (DiagID != diag::err_bool_redeclaration)
+      ConsumeToken();
   }
 }
 
diff --git a/test/Parser/cxx-decl.cpp b/test/Parser/cxx-decl.cpp
index 6d720d36a2..70eff973e0 100644
--- a/test/Parser/cxx-decl.cpp
+++ b/test/Parser/cxx-decl.cpp
@@ -7,8 +7,8 @@ struct Type {
 };
 
 // rdar://8365458
-typedef char bool; // expected-error {{redeclaration of C++ built-in type 'bool'}} \
-                   // expected-warning {{declaration does not declare anything}}
+// rdar://9132143
+typedef char bool; // expected-error {{redeclaration of C++ built-in type 'bool'}}
 
 // PR4451 - We should recover well from the typo of '::' as ':' in a2.
 namespace y {