1 files changed, 45 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0290-PR-c-48873.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0290-PR-c-48873.patch
new file mode 100644
index 0000000000..05fdccb88d
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0290-PR-c-48873.patch
@@ -0,0 +1,45 @@
+From ca1dcc7740a2532bae1d898dd326b43da54a2c54 Mon Sep 17 00:00:00 2001
+From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Fri, 20 May 2011 19:01:53 +0000
+Subject: [PATCH]        PR c++/48873
+        * tree.c (stabilize_expr): Don't make gratuitous copies of classes.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@173970 138bc75d-0d04-0410-961f-82ee72b054a4
+
+index f04fd23..16b9ca1 100644
+--- a/gcc/cp/tree.c
++++ b/gcc/cp/tree.c
+@@ -3124,7 +3124,8 @@ stabilize_expr (tree exp, tree* initp)
+ 
+   if (!TREE_SIDE_EFFECTS (exp))
+     init_expr = NULL_TREE;
+-  else if (!TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (exp))
++  else if ((!TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (exp))
++           && !TYPE_HAS_NONTRIVIAL_DESTRUCTOR (TREE_TYPE (exp)))
+           || !lvalue_or_rvalue_with_address_p (exp))
+     {
+       init_expr = get_target_expr (exp);
+new file mode 100644
+index 0000000..f827857
+--- /dev/null
++++ b/gcc/testsuite/g++.dg/init/new32.C
+@@ -0,0 +1,16 @@
++// PR c++/48873
++
++#include <new>
++
++struct D {
++private:
++  ~D();
++};
++
++template<class T>
++T& create();
++
++void f()
++{
++  D* dp = new (((void*) 0)) D(create<D>()); // #
++}
+-- 
+1.7.0.4
+