Track alignment in AggValueSlot. No functional change in this patch, but I'll be introducing uses of the specified alignment soon.

llvm-svn: 145736

1 files changed, 6 insertions, 4 deletions

diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp
index 15fc6a1e599..3a7b4d4107b 100644
--- a/clang/lib/CodeGen/CGException.cpp
+++ b/clang/lib/CodeGen/CGException.cpp
@@ -1039,10 +1039,12 @@ static void InitCatchParam(CodeGenFunction &CGF,
   CGF.EHStack.pushTerminate();
 
   // Perform the copy construction.
-  CGF.EmitAggExpr(copyExpr, AggValueSlot::forAddr(ParamAddr, Qualifiers(),
-                                                  AggValueSlot::IsNotDestructed,
-                                          AggValueSlot::DoesNotNeedGCBarriers,
-                                                  AggValueSlot::IsNotAliased));
+  unsigned Alignment = CGF.getContext().getDeclAlign(&CatchParam).getQuantity();
+  CGF.EmitAggExpr(copyExpr,
+                  AggValueSlot::forAddr(ParamAddr, Alignment, Qualifiers(),
+                                        AggValueSlot::IsNotDestructed,
+                                        AggValueSlot::DoesNotNeedGCBarriers,
+                                        AggValueSlot::IsNotAliased));
 
   // Leave the terminate scope.
   CGF.EHStack.popTerminate();