From 26397edfea66a29ef433b62b4db6d621db438f75 Mon Sep 17 00:00:00 2001 From: Chad Rosier Date: Tue, 17 Apr 2012 01:14:29 +0000 Subject: [PATCH] Fix case where the alignment is overaligned, per Eli's suggestion. rdar://11220251 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154893 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/CGExprAgg.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp index d345154f01..7b0e0f5157 100644 --- a/lib/CodeGen/CGExprAgg.cpp +++ b/lib/CodeGen/CGExprAgg.cpp @@ -238,7 +238,10 @@ void AggExprEmitter::EmitMoveFromReturnSlot(const Expr *E, RValue Src) { // Otherwise, do a final copy, assert(Dest.getAddr() != Src.getAggregateAddr()); - EmitFinalDestCopy(E, Src, /*Ignore*/ true, Dest.getAlignment().getQuantity()); + std::pair TypeInfo = + CGF.getContext().getTypeInfoInChars(E->getType()); + CharUnits Alignment = std::min(TypeInfo.second, Dest.getAlignment()); + EmitFinalDestCopy(E, Src, /*Ignore*/ true, Alignment.getQuantity()); } /// EmitFinalDestCopy - Perform the final copy to DestPtr, if desired.