Revert r118991.

Elidable CXXConstructExpr should inhibit calling destructor for temporary 
that is copied, not the one created. This is because eliding copy constructor 
means that the object that was to be copied will be constructed directly in 
memory the copy would be constructed in.

llvm-svn: 119044

1 files changed, 1 insertions, 8 deletions

diff --git a/clang/lib/Analysis/CFG.cpp b/clang/lib/Analysis/CFG.cpp
index 42e081628d8..ef67d3b9576 100644
--- a/clang/lib/Analysis/CFG.cpp
+++ b/clang/lib/Analysis/CFG.cpp
@@ -2579,18 +2579,11 @@ CFGBlock *CFGBuilder::VisitBinaryOperatorForTemporaryDtors(BinaryOperator *E) {
   return RHSBlock ? RHSBlock : LHSBlock;
 }
 
-static bool hasElidableCXXConstructExpr(CXXBindTemporaryExpr *E) {
-  if (CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E->getSubExpr()))
-    if (CE->isElidable())
-      return true;
-  return false;
-}
-
 CFGBlock *CFGBuilder::VisitCXXBindTemporaryExprForTemporaryDtors(
     CXXBindTemporaryExpr *E, bool BindToTemporary) {
   // First add destructors for temporaries in subexpression.
   CFGBlock *B = VisitForTemporaryDtors(E->getSubExpr());
-  if (!BindToTemporary && !hasElidableCXXConstructExpr(E)) {
+  if (!BindToTemporary) {
     // If lifetime of temporary is not prolonged (by assigning to constant
     // reference) add destructor for it.
     autoCreateBlock();