From e3edeff4e165c874cac9c59f243fd7c0cec0dd93 Mon Sep 17 00:00:00 2001 From: Jason Merrill Date: Thu, 5 May 2011 10:53:35 -0400 Subject: re PR c++/48873 ([C++0x][noexcept] Placement-new problem with deleted destructors) PR c++/48873 * tree.c (stabilize_expr): Don't make gratuitous copies of classes. From-SVN: r173433 --- gcc/cp/tree.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'gcc/cp/tree.c') diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c index 0f2f86c..9a6e26d 100644 --- a/gcc/cp/tree.c +++ b/gcc/cp/tree.c @@ -3119,7 +3119,10 @@ stabilize_expr (tree exp, tree* initp) if (!TREE_SIDE_EFFECTS (exp)) init_expr = NULL_TREE; - else if (!TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (exp)) + /* There are no expressions with REFERENCE_TYPE, but there can be call + arguments with such a type; just treat it as a pointer. */ + else if (TREE_CODE (TREE_TYPE (exp)) == REFERENCE_TYPE + || SCALAR_TYPE_P (exp) || !lvalue_or_rvalue_with_address_p (exp)) { init_expr = get_target_expr (exp); -- cgit v1.1