Preserve type source information in TypedefDecls. Preserve it across

template instantiation.  Preserve it through PCH.  Show it off to the indexer.

I'm healthily ignoring the vector type cases because we don't have a sensible
TypeLoc implementation for them anyway.

llvm-svn: 84994

1 files changed, 3 insertions, 1 deletions

diff --git a/clang/lib/Frontend/RewriteObjC.cpp b/clang/lib/Frontend/RewriteObjC.cpp
index 0ea0a58d523..a00326267ed 100644
--- a/clang/lib/Frontend/RewriteObjC.cpp
+++ b/clang/lib/Frontend/RewriteObjC.cpp
@@ -2609,10 +2609,12 @@ Stmt *RewriteObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) {
 // typedef struct objc_object Protocol;
 QualType RewriteObjC::getProtocolType() {
   if (!ProtocolTypeDecl) {
+    DeclaratorInfo *DInfo
+      = Context->getTrivialDeclaratorInfo(Context->getObjCIdType());
     ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl,
                                            SourceLocation(),
                                            &Context->Idents.get("Protocol"),
-                                           Context->getObjCIdType());
+                                           DInfo);
   }
   return Context->getTypeDeclType(ProtocolTypeDecl);
 }