More rule enforcement of zero bitfields for ms_struct.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130696 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/CodeGen/CGRecordLayoutBuilder.cpp b/lib/CodeGen/CGRecordLayoutBuilder.cpp
index 3d9fd88613..a4ac390dd9 100644
--- a/lib/CodeGen/CGRecordLayoutBuilder.cpp
+++ b/lib/CodeGen/CGRecordLayoutBuilder.cpp
@@ -753,7 +753,8 @@ bool CGRecordLayoutBuilder::LayoutFields(const RecordDecl *D) {
       // Zero-length bitfields following non-bitfield members are
       // ignored:
       const FieldDecl *FD =  (*Field);
-      if (Types.getContext().ZeroBitfieldFollowsNonBitfield(FD, LastFD)) {
+      if (Types.getContext().ZeroBitfieldFollowsNonBitfield(FD, LastFD) ||
+          Types.getContext().ZeroBitfieldFollowsBitfield(FD, LastFD)) {
         --FieldNo;
         continue;
       }
@@ -996,7 +997,8 @@ CGRecordLayout *CodeGenTypes::ComputeRecordLayout(const RecordDecl *D) {
     if (IsMsStruct) {
       // Zero-length bitfields following non-bitfield members are
       // ignored:
-      if (getContext().ZeroBitfieldFollowsNonBitfield(FD, LastFD)) {
+      if (getContext().ZeroBitfieldFollowsNonBitfield(FD, LastFD) ||
+          getContext().ZeroBitfieldFollowsBitfield(FD, LastFD)) {
         --i;
         continue;
       }