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[PATCH] Fix PR80183 : _M_color not moved
- From: Markus Trippelsdorf <markus at trippelsdorf dot de>
- To: gcc-patches at gcc dot gnu dot org
- Cc: libstdc++ at gcc dot gnu dot org
- Date: Sun, 26 Mar 2017 11:54:38 +0200
- Subject: [PATCH] Fix PR80183 : _M_color not moved
- Authentication-results: sourceware.org; auth=none
clang-format stopped working when compiled with gcc-7.
It turned out that an uninitialized _M_color is responsible.
The fix is easy, just copy _M_color in the move case, too.
Tested on ppc64le.
OK for trunk?
Thanks.
PR libstdc++/80183
* include/bits/stl_tree.h:
(_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.
diff --git a/libstdc++-v3/include/bits/stl_tree.h b/libstdc++-v3/include/bits/stl_tree.h
index cbcf7f2606f..ce7ecdaa87a 100644
--- a/libstdc++-v3/include/bits/stl_tree.h
+++ b/libstdc++-v3/include/bits/stl_tree.h
@@ -192,6 +192,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
void
_M_move_data(_Rb_tree_header& __from)
{
+ _M_header._M_color = __from._M_header._M_color;
_M_header._M_parent = __from._M_header._M_parent;
_M_header._M_left = __from._M_header._M_left;
_M_header._M_right = __from._M_header._M_right;
--
Markus