diff options
Diffstat (limited to 'lib/CodeGen/CGRecordLayoutBuilder.cpp')
| -rw-r--r-- | lib/CodeGen/CGRecordLayoutBuilder.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/CGRecordLayoutBuilder.cpp b/lib/CodeGen/CGRecordLayoutBuilder.cpp index 383452c79a..106ce10f51 100644 --- a/lib/CodeGen/CGRecordLayoutBuilder.cpp +++ b/lib/CodeGen/CGRecordLayoutBuilder.cpp @@ -531,6 +531,7 @@ void CGRecordLayoutBuilder::LayoutUnion(const RecordDecl *D) { CharUnits unionAlign = CharUnits::Zero(); bool hasOnlyZeroSizedBitFields = true; + bool checkedFirstFieldZeroInit = false; unsigned fieldNo = 0; for (RecordDecl::field_iterator field = D->field_begin(), @@ -542,6 +543,11 @@ void CGRecordLayoutBuilder::LayoutUnion(const RecordDecl *D) { if (!fieldType) continue; + if (field->getDeclName() && !checkedFirstFieldZeroInit) { + CheckZeroInitializable(field->getType()); + checkedFirstFieldZeroInit = true; + } + hasOnlyZeroSizedBitFields = false; CharUnits fieldAlign = CharUnits::fromQuantity( |