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[Bug libstdc++/28457] ext/pb_ds/regression/tree_data_map_rand.cc fails with a particular random seed.
- From: "drow at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Jul 2006 13:11:20 -0000
- Subject: [Bug libstdc++/28457] ext/pb_ds/regression/tree_data_map_rand.cc fails with a particular random seed.
- References: <bug-28457-3264@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from drow at gcc dot gnu dot org 2006-07-26 13:11 -------
Subject: Re: ext/pb_ds/regression/tree_data_map_rand.cc fails with a
particular random seed.
On Wed, Jul 26, 2006 at 11:26:01AM -0000, pcarlini at suse dot de wrote:
> Out of curiosity, can you try whether changing the optimization level has any
> effect? I'm asking because we are also seeing random failures of
> ext/pb_ds/regression/priority_queue_rand.cc on ia64-linux which go away at -O0
> and -O1... In that case, I'm suspecting some sort of miscompilation.
Fails at -O1 in the same way. Fails differently at -O0.
Failure at
/space/fsf/commit/gcc/libstdc++-v3/testsuite/util/regression/rand/assoc/detail/insert_fn_imps.hpp:
71
container:
aabaaab bccadab
aacdbc bbbbdab
....more...
native container:
...more...
Uncaught exception:
insert
Failed at index 297
Test failed with seed 1153519516
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28457