r186898 - Implement a better fix for r186894 by setting the appropriate type for __byref_variable_layout.

[Adrian Prantl]

Author: adrian
Date: Mon Jul 22 19:12:14 2013
New Revision: 186898

URL: http://llvm.org/viewvc/llvm-project?rev=186898&view=rev
Log:
Implement a better fix for r186894 by setting the appropriate type for __byref_variable_layout.

rdar://problem/14386148

Modified:
    cfe/trunk/lib/CodeGen/CGDebugInfo.cpp

Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.cpp?rev=186898&r1=186897&r2=186898&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGDebugInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Mon Jul 22 19:12:14 2013
@@ -2599,10 +2599,12 @@ llvm::DIType CGDebugInfo::EmitTypeForVar
   Qualifiers::ObjCLifetime Lifetime;
   if (CGM.getContext().getByrefLifetime(Type,
                                         Lifetime, HasByrefExtendedLayout)
-      && HasByrefExtendedLayout)
+      && HasByrefExtendedLayout) {
+    FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy);
     EltTys.push_back(CreateMemberType(Unit, FType,
                                       "__byref_variable_layout",
                                       &FieldOffset));
+  }
 
   CharUnits Align = CGM.getContext().getDeclAlign(VD);
   if (Align > CGM.getContext().toCharUnitsFromBits(
@@ -2626,7 +2628,6 @@ llvm::DIType CGDebugInfo::EmitTypeForVar
   llvm::DIType FieldTy = CGDebugInfo::getOrCreateType(FType, Unit);
   FieldSize = CGM.getContext().getTypeSize(FType);
   FieldAlign = CGM.getContext().toBits(Align);
-  FieldOffset += FieldOffset % FieldAlign;
 
   *XOffset = FieldOffset;
   FieldTy = DBuilder.createMemberType(Unit, VD->getName(), Unit,