Add support for GCC ObjC extension "Class<protocol>". Sigh.

Found while researching <rdar://problem/6497631> Message lookup is sometimes different than gcc's.

Will never be seen in user code. Needed to pass dejagnu testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65244 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index acdeec6ba9..697524133c 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -151,6 +151,10 @@ QualType Sema::ConvertDeclSpecToType(const DeclSpec &DS) {
         // id<protocol-list>
         Result = Context.getObjCQualifiedIdType((ObjCProtocolDecl**)PQ,
                                                 DS.getNumProtocolQualifiers());
+      else if (Result == Context.getObjCClassType())
+        // Support the following GCC extension: Class<protocol-list>
+        Result = Context.getObjCQualifiedClassType((ObjCProtocolDecl**)PQ,
+                                                DS.getNumProtocolQualifiers());
       else
         Diag(DS.getSourceRange().getBegin(), 
              diag::warn_ignoring_objc_qualifiers) << DS.getSourceRange();