Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: morandidodo at gmail dot com
Target Milestone: ---
First of all, sorry but I am not able to create a MWE which is able to
reproduce the bug.
I found this issue re-compiling the Voxelands project
(https://gitlab.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67466
morandidodo at gmail dot com changed:
What|Removed |Added
Known to work||6.2.1
Known to fail
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: morandidodo at gmail dot com
Target Milestone: ---
Created attachment 39673
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39673&action=edit
Asm code of the main, generated by gcc and
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77689
--- Comment #6 from morandidodo at gmail dot com ---
(In reply to Richard Biener from comment #1)
> First of all you need to make sure to have recent glibc installed to benefit
> from
> the vectorized math routines therein. Otherwise
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77689
--- Comment #8 from morandidodo at gmail dot com ---
(In reply to Uroš Bizjak from comment #7)
> (In reply to morandidodo from comment #6)
>
> > However, I just made some tests, and it seems that the performance lost is
> > pa
++
Assignee: unassigned at gcc dot gnu.org
Reporter: morandidodo at gmail dot com
Target Milestone: ---
The thread sanitizer says that there is a data race during regex construction.
Here a simple test:
#include
#include
#include
static const std::string test_string
: libgomp
Assignee: unassigned at gcc dot gnu.org
Reporter: morandidodo at gmail dot com
CC: jakub at gcc dot gnu.org
Target Milestone: ---
Created attachment 39687
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39687&action=edit
Output of the test
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77744
--- Comment #2 from morandidodo at gmail dot com ---
(In reply to Jakub Jelinek from comment #1)
> If the C++ standards allows these to be used without locking, then it is
> likely a bug in libstdc++, not libgomp.
Sorry, my fault ;)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77744
--- Comment #6 from morandidodo at gmail dot com ---
(In reply to Jakub Jelinek from comment #5)
> Pedantically this isn't valid, because you are mixing C++11 features
> (lambdas) with OpenMP, which doesn't support C++11 even in 4
: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: morandidodo at gmail dot com
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
Target Milestone: ---
I am having an issue
: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: morandidodo at gmail dot com
Target Milestone: ---
I noticed a memory corruption with regex when using long input strings in
combination with multiple occurrences of a pattern. I built a simple testcase
to verify that
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