http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57321
--- Comment #1 from Mikael Pettersson mikpe at it dot uu.se ---
I can reproduce the wrong-code. It was fixed on 4.8 branch by r198737 aka
PR56988.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56101
Siddhesh Poyarekar siddhesh at redhat dot com changed:
What|Removed |Added
CC||siddhesh
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56101
--- Comment #3 from Siddhesh Poyarekar siddhesh at redhat dot com ---
Here's the simplified non-preprocessed test, since it's not a problem with the
compiler proper:
$ cat tmain.C
#include pthread.h
#include stdlib.h
#include stdio.h
extern C
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23684
--- Comment #12 from msharov at users dot sourceforge.net ---
I'd like to add that this is not some corner case; this is a very common issue.
In my own projects, the compiler's inability to combine stores is the single
largest reason for using
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55779
Siddhesh Poyarekar siddhesh at redhat dot com changed:
What|Removed |Added
CC||siddhesh
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57314
Daniel Krügler daniel.kruegler at googlemail dot com changed:
What|Removed |Added
CC|
-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: antoine.balestrat at gmail dot com
Using GCC 4.9.0 as of 20130518 :
$ cat seg.c
int a;
void f(void)
{
char b;
for (;; a++)
{
char *p = b, *q;
*q = b 0 !!*p;
}
}
$ xgcc -w -O1 seg.c
seg.c
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56101
Andrew Pinski pinskia at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55779
Andrew Pinski pinskia at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56101
--- Comment #5 from Andrew Pinski pinskia at gcc dot gnu.org ---
*** Bug 55779 has been marked as a duplicate of this bug. ***
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57323
Bug ID: 57323
Summary: Overloaded operator evaluates operands in the wrong
order
Product: gcc
Version: 4.7.2
Status: UNCONFIRMED
Severity: normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57323
--- Comment #1 from calli911 at web dot de ---
Created attachment 30144
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=30144action=edit
The output of the command.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57322
Marc Glisse glisse at gcc dot gnu.org changed:
What|Removed |Added
Keywords||ice-on-valid-code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57323
Andrew Pinski pinskia at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57324
Bug ID: 57324
Summary: Undefined behavior issues found with clang's
-fsanitize=undefined
Product: gcc
Version: 4.8.1
Status: UNCONFIRMED
Severity: normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57314
Paolo Carlini paolo.carlini at oracle dot com changed:
What|Removed |Added
Status|UNCONFIRMED |SUSPENDED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57325
Bug ID: 57325
Summary: [4.7/4.8/4.9 Regression] ICE in strip_typedefs, at
cp/tree.c:1306
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57326
Bug ID: 57326
Summary: Piecewise folding of operations on PHI nodes
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57327
Bug ID: 57327
Summary: 'derived' is an ambiguous base class of 'base'
diagnostic is bacwards
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Keywords:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46703
Bud Davis bdavis at gcc dot gnu.org changed:
What|Removed |Added
CC||bdavis at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57328
Bug ID: 57328
Summary: Missed optimization: Unable to vectorize Fortran min
and max intrinsics
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51024
--- Comment #2 from Brian Taylor spam.brian.taylor at gmail dot com ---
This problem persists in gcc 4.8.0.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46703
--- Comment #6 from Bud Davis bdavis at gcc dot gnu.org ---
It is a problem with Valgrind.
One that is even mentioned in the (valgrind) manual.
https://bugs.kde.org/show_bug.cgi?id=197915
It has been open for about 4 years, not fixed yet.
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