[Bug middle-end/55331] [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331 --- Comment #4 from Richard Biener rguenth at gcc dot gnu.org 2012-11-27 09:20:07 UTC --- Author: rguenth Date: Tue Nov 27 09:20:02 2012 New Revision: 193839 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193839 Log: 2012-11-27 Richard Biener rguent...@suse.de PR middle-end/55331 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace stmt with a NOP instead of removing it. * g++.dg/opt/pr55331.C: New testcase. Added: trunk/gcc/testsuite/g++.dg/opt/pr55331.C Modified: trunk/gcc/ChangeLog trunk/gcc/gimple-fold.c trunk/gcc/testsuite/ChangeLog
[Bug middle-end/55331] [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331 --- Comment #5 from Richard Biener rguenth at gcc dot gnu.org 2012-11-27 09:23:19 UTC --- Author: rguenth Date: Tue Nov 27 09:23:15 2012 New Revision: 193840 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=193840 Log: 2012-11-27 Richard Biener rguent...@suse.de PR middle-end/55331 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace stmt with a NOP instead of removing it. * g++.dg/opt/pr55331.C: New testcase. Added: branches/gcc-4_7-branch/gcc/testsuite/g++.dg/opt/pr55331.C Modified: branches/gcc-4_7-branch/gcc/ChangeLog branches/gcc-4_7-branch/gcc/gimple-fold.c branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
[Bug middle-end/55331] [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-15
11:52:43 UTC ---
Hand-reduced testcase for -O2 -fno-tree-fre
struct A {};
void
foo (A *p, bool x)
{
A a;
char *e = (char *) (a + 1);
if (x)
__builtin_memmove (p, a, e - (char *) a);
}
[Bug middle-end/55331] [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331 Jakub Jelinek jakub at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org |gnu.org | --- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2012-11-15 12:00:21 UTC --- Created attachment 28697 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=28697 gcc48-pr55331.patch Untested fix.
[Bug middle-end/55331] [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331 Jakub Jelinek jakub at gcc dot gnu.org changed: What|Removed |Added Target Milestone|--- |4.6.4
[Bug middle-end/55331] [4.6/4.7/4.8 Regression] ICE: SIGSEGV in substitute_and_fold with -O2 -fno-tree-fre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55331 Dominique d'Humieres dominiq at lps dot ens.fr changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2012-11-14 Ever Confirmed|0 |1 --- Comment #1 from Dominique d'Humieres dominiq at lps dot ens.fr 2012-11-14 22:16:00 UTC --- Confirmed: 4.6.0 2011-01-20 revision 169049 is OK 4.7.0 2011-04-14 revision 172429 gives an ICE.
