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| author | Paolo Carlini <paolo.carlini@oracle.com> | 2009-09-06 15:41:38 +0000 |
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| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2009-09-06 15:41:38 +0000 |
| commit | f7d601a5bd4fddecedc87ac0a4a57921dac8da60 (patch) | |
| tree | 3d4ffb55ede66ac17b980b5df1a89b5c78ca7489 /gcc/tree-ssa-alias.c | |
| parent | 0d8d6c874e66e197f3af5c7835c7f0b0ff52f0ac (diff) | |
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re PR libstdc++/41267 (vector<>::resize() from an empty vector calls memmove for 0 bytes (twice), wasting a lot of cpu time in a production PowerDNS)
2009-09-06 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/41267
* include/bits/stl_algobase.h (__copy_move::__copy_m,
__copy_move_backward::__copy_move_b): Don't call __builtin_memmove
with a null third argument.
From-SVN: r151459
Diffstat (limited to 'gcc/tree-ssa-alias.c')
0 files changed, 0 insertions, 0 deletions