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| author | François Dumont <fdumont@gcc.gnu.org> | 2012-11-08 20:16:04 +0000 |
|---|---|---|
| committer | François Dumont <fdumont@gcc.gnu.org> | 2012-11-08 20:16:04 +0000 |
| commit | ecf07a67d0e8cc33b780783d9996a0e91a6239a2 (patch) | |
| tree | 1a19c993748ad806a6a8754863138e86283b4eca /libstdc++-v3/include | |
| parent | 68a559809331d754474191b2272cc7e4a960b65c (diff) | |
| download | gcc-ecf07a67d0e8cc33b780783d9996a0e91a6239a2.zip gcc-ecf07a67d0e8cc33b780783d9996a0e91a6239a2.tar.gz gcc-ecf07a67d0e8cc33b780783d9996a0e91a6239a2.tar.bz2 | |
re PR libstdc++/54075 ([4.7.1] unordered_map insert still slower than 4.6.2)
2012-11-08 François Dumont <fdumont@gcc.gnu.org>
PR libstdc++/54075
* include/bits/hashtable.h (_Hashtable<>::rehash): Reset hash
policy state if no rehash.
* testsuite/23_containers/unordered_set/modifiers/reserve.cc
(test02): New.
From-SVN: r193339
Diffstat (limited to 'libstdc++-v3/include')
| -rw-r--r-- | libstdc++-v3/include/bits/hashtable.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/hashtable.h b/libstdc++-v3/include/bits/hashtable.h index 8ceacab..9b2677b 100644 --- a/libstdc++-v3/include/bits/hashtable.h +++ b/libstdc++-v3/include/bits/hashtable.h @@ -1654,6 +1654,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION // level. _M_rehash_policy._M_prev_resize = 0; } + else + // No rehash, restore previous state to keep a consistent state. + _M_rehash_policy._M_reset(__saved_state); } template<typename _Key, typename _Value, |