r218780 - c++ error recovery. Build a valid AST when trying

[Fariborz Jahanian]

Author: fjahanian
Date: Wed Oct  1 13:03:51 2014
New Revision: 218780

URL: http://llvm.org/viewvc/llvm-project?rev=218780&view=rev
Log:
c++ error recovery. Build a valid AST when trying
to recover from parse error parsing the default
argument. Patch prevents crash after spewing 100s 
of errors caused by someone who forgot to compile in c++11
mode. So no test. rdar://18508589 

Modified:
    cfe/trunk/lib/Sema/SemaDeclCXX.cpp

Modified: cfe/trunk/lib/Sema/SemaDeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclCXX.cpp?rev=218780&r1=218779&r2=218780&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclCXX.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclCXX.cpp Wed Oct  1 13:03:51 2014
@@ -353,7 +353,9 @@ void Sema::ActOnParamDefaultArgumentErro
   Param->setInvalidDecl();
   UnparsedDefaultArgLocs.erase(Param);
   Param->setDefaultArg(new(Context)
-                       OpaqueValueExpr(EqualLoc, Param->getType(), VK_RValue));
+                       OpaqueValueExpr(EqualLoc,
+                                       Param->getType().getNonReferenceType(),
+                                       VK_RValue));
 }
 
 /// CheckExtraCXXDefaultArguments - Check for any extra default