From: Anders Carlsson <andersca@mac.com>
Date: Mon, 1 Nov 2010 15:14:51 +0000 (+0000)
Subject: Don't update empty field subobjects for bitfields. Fixes PR8519.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fa84fbad4863e030b149febc88288514efca34b2;p=clang

Don't update empty field subobjects for bitfields. Fixes PR8519.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117921 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/AST/RecordLayoutBuilder.cpp b/lib/AST/RecordLayoutBuilder.cpp
index c878c25f41..0fe180d551 100644
--- a/lib/AST/RecordLayoutBuilder.cpp
+++ b/lib/AST/RecordLayoutBuilder.cpp
@@ -494,7 +494,9 @@ void EmptySubobjectMap::UpdateEmptyFieldSubobjects(const CXXRecordDecl *RD,
   for (CXXRecordDecl::field_iterator I = RD->field_begin(), E = RD->field_end();
        I != E; ++I, ++FieldNo) {
     const FieldDecl *FD = *I;
-    
+    if (FD->isBitField())
+      continue;
+
     CharUnits FieldOffset = Offset + getFieldOffset(Layout, FieldNo);
 
     UpdateEmptyFieldSubobjects(FD, FieldOffset);