Fix an assertion when code-completing, rdar://9288730 & http://llvm.org/PR9728.

llvm-svn: 130042

1 files changed, 6 insertions, 1 deletions

diff --git a/clang/lib/Parse/ParseExprCXX.cpp b/clang/lib/Parse/ParseExprCXX.cpp
index 49d30741190..ccc75125ad4 100644
--- a/clang/lib/Parse/ParseExprCXX.cpp
+++ b/clang/lib/Parse/ParseExprCXX.cpp
@@ -161,7 +161,12 @@ bool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS,
         // Code completion for a nested-name-specifier, where the code
         // code completion token follows the '::'.
         Actions.CodeCompleteQualifiedId(getCurScope(), SS, EnteringContext);
-        ConsumeCodeCompletionToken();
+        SourceLocation ccLoc = ConsumeCodeCompletionToken();
+        // Include code completion token into the range of the scope otherwise
+        // when we try to annotate the scope tokens the dangling code completion
+        // token will cause assertion in
+        // Preprocessor::AnnotatePreviousCachedTokens.
+        SS.setEndLoc(ccLoc);
       }
     }