[cfe-commits] r161395 - in /cfe/trunk: lib/Sema/SemaDecl.cpp test/SemaObjCXX/arc-0x.mm

[Douglas Gregor]

Author: dgregor
Date: Tue Aug  7 01:14:34 2012
New Revision: 161395

URL: http://llvm.org/viewvc/llvm-project?rev=161395&view=rev
Log:
Objective-C pointer types don't have C-linkage, even though they are
non-POD. Fixes <rdar://problem/12031870>.

Modified:
    cfe/trunk/lib/Sema/SemaDecl.cpp
    cfe/trunk/test/SemaObjCXX/arc-0x.mm

Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=161395&r1=161394&r2=161395&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDecl.cpp Tue Aug  7 01:14:34 2012
@@ -6031,7 +6031,8 @@
       if (R->isIncompleteType() && !R->isVoidType())
         Diag(NewFD->getLocation(), diag::warn_return_value_udt_incomplete)
             << NewFD << R;
-      else if (!R.isPODType(Context) && !R->isVoidType())
+      else if (!R.isPODType(Context) && !R->isVoidType() &&
+               !R->isObjCObjectPointerType())
         Diag(NewFD->getLocation(), diag::warn_return_value_udt) << NewFD << R;
     }
   }

Modified: cfe/trunk/test/SemaObjCXX/arc-0x.mm
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaObjCXX/arc-0x.mm?rev=161395&r1=161394&r2=161395&view=diff
==============================================================================
--- cfe/trunk/test/SemaObjCXX/arc-0x.mm (original)
+++ cfe/trunk/test/SemaObjCXX/arc-0x.mm Tue Aug  7 01:14:34 2012
@@ -11,6 +11,9 @@
 - init;
 @end
 
+// <rdar://problem/12031870>: don't warn about this
+extern "C" A* MakeA();
+
 // Ensure that deduction works with lifetime qualifiers.
 void deduction(id obj) {
   auto a = [[A alloc] init];