When explicitly building a temporary object (CXXTemporaryObjectExpr),

keep track of whether we need to zero-initialize storage prior to
calling its constructor. Previously, we were only tracking this when
implicitly constructing the object (a CXXConstructExpr).

Fixes Boost's value-initialization tests, which means that the
Boost.Config library now passes all of its tests.

llvm-svn: 102461

1 files changed, 2 insertions, 1 deletions

diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp
index 1caa94bf81c..4678822413d 100644
--- a/clang/lib/Sema/SemaInit.cpp
+++ b/clang/lib/Sema/SemaInit.cpp
@@ -3745,7 +3745,8 @@ InitializationSequence::Perform(Sema &S,
                                                             Kind.getLocation(),
                                                                  Exprs, 
                                                                  NumExprs,
-                                                Kind.getParenRange().getEnd()));
+                                                Kind.getParenRange().getEnd(),
+                                             ConstructorInitRequiresZeroInit));
       } else
         CurInit = S.BuildCXXConstructExpr(Loc, Entity.getType(),
                                           Constructor,