Bring llvm.annotation* intrinsics support back to where it was in llvm-gcc: can
annotate global, local variables, struct fields, or arbitrary statements (using
the __builtin_annotation), rdar://8037476.

llvm-svn: 139423
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 355378e..d6137e5 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -1461,8 +1461,14 @@
 static bool
 DeclHasAttr(const Decl *D, const Attr *A) {
   const OwnershipAttr *OA = dyn_cast<OwnershipAttr>(A);
+  const AnnotateAttr *Ann = dyn_cast<AnnotateAttr>(A);
   for (Decl::attr_iterator i = D->attr_begin(), e = D->attr_end(); i != e; ++i)
     if ((*i)->getKind() == A->getKind()) {
+      if (Ann) {
+        if (Ann->getAnnotation() == cast<AnnotateAttr>(*i)->getAnnotation())
+          return true;
+        continue;
+      }
       // FIXME: Don't hardcode this check
       if (OA && isa<OwnershipAttr>(*i))
         return OA->getOwnKind() == cast<OwnershipAttr>(*i)->getOwnKind();