Handle temporaries in default arguments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73462 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/CodeGen/CGCXXTemp.cpp b/lib/CodeGen/CGCXXTemp.cpp
index 141726a649..a6e6d11505 100644
--- a/lib/CodeGen/CGCXXTemp.cpp
+++ b/lib/CodeGen/CGCXXTemp.cpp
@@ -85,6 +85,11 @@ RValue
 CodeGenFunction::EmitCXXExprWithTemporaries(const CXXExprWithTemporaries *E,
                                             llvm::Value *AggLoc,
                                             bool isAggLocVolatile) {
+  // If we shouldn't destroy the temporaries, just emit the
+  // child expression.
+  if (!E->shouldDestroyTemporaries())
+    return EmitAnyExpr(E->getSubExpr(), AggLoc, isAggLocVolatile);
+
   // Keep track of the current cleanup stack depth.
   size_t CleanupStackDepth = CleanupEntries.size();
   (void) CleanupStackDepth;