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From: "regehr at cs dot utah.edu" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/59139] New: internal compiler error: in get_val_for, at tree-ssa-loop-niter.c:2267
Date: Thu, 14 Nov 2013 23:13:00 -0000 [thread overview]
Message-ID: <bug-59139-4@http.gcc.gnu.org/bugzilla/> (raw)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59139
Bug ID: 59139
Summary: internal compiler error: in get_val_for, at
tree-ssa-loop-niter.c:2267
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: regehr at cs dot utah.edu
[regehr@imp test]$ gcc -O3 -c -Wall ./work20/reduce_55RZFl/small.c
./work20/reduce_55RZFl/small.c: In function âfn2â:
./work20/reduce_55RZFl/small.c:4:6: internal compiler error: in get_val_for, at
tree-ssa-loop-niter.c:2267
void fn2() {
^
0xafe7c9 get_val_for
/users/regehr/z/compiler-source/gcc/gcc/tree-ssa-loop-niter.c:2267
0xb0162b loop_niter_by_eval(loop*, edge_def*)
/users/regehr/z/compiler-source/gcc/gcc/tree-ssa-loop-niter.c:2335
0xb01934 find_loop_niter_by_eval(loop*, edge_def**)
/users/regehr/z/compiler-source/gcc/gcc/tree-ssa-loop-niter.c:2394
0xae4c5f canonicalize_loop_induction_variables
/users/regehr/z/compiler-source/gcc/gcc/tree-ssa-loop-ivcanon.c:929
0xae682b canonicalize_induction_variables()
/users/regehr/z/compiler-source/gcc/gcc/tree-ssa-loop-ivcanon.c:998
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
[regehr@imp test]$ cat ./work20/reduce_55RZFl/small.c
int a, b, c, d, e;
int fn1(p1, p2) { return p2 == 0 ? p1 : 1 % p2; }
void fn2() {
c = 0;
for (;; c = (unsigned short)c) {
b = 2;
for (; b; b = a) {
e = fn1(2, c && 1);
d = c == 0 ? e : c;
if (d)
return;
}
}
}
[regehr@imp test]$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/mnt/local/randomtest/compiler-install/gcc-r204770-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /users/regehr/z/compiler-source/gcc/configure
--prefix=/users/regehr/z/compiler-install/gcc-r204770-install
--enable-languages=c,c++ --enable-multilib
Thread model: posix
gcc version 4.9.0 20131114 (experimental) (GCC)
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From: "paolo.carlini at oracle dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/59131] Compiler segfaults while generating code to save local variables in transactional section
Date: Thu, 14 Nov 2013 23:36:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Component: c++
X-Bugzilla-Version: 4.7.3
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: paolo.carlini at oracle dot com
X-Bugzilla-Status: WAITING
X-Bugzilla-Priority: P3
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Message-ID: <bug-59131-4-dFuUGRVD12@http.gcc.gnu.org/bugzilla/>
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idY131
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2013-11-14
Ever confirmed|0 |1
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Nothing is attached.
next reply other threads:[~2013-11-14 23:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-14 23:13 regehr at cs dot utah.edu [this message]
2013-11-21 14:46 ` [Bug tree-optimization/59139] [4.7/4.8/4.9 Regression] " rguenth at gcc dot gnu.org
2013-11-22 11:05 ` rguenth at gcc dot gnu.org
2013-12-02 15:43 ` rguenth at gcc dot gnu.org
2013-12-02 15:43 ` rguenth at gcc dot gnu.org
2013-12-02 15:44 ` [Bug tree-optimization/59139] [4.7 " rguenth at gcc dot gnu.org
2014-03-17 14:39 ` rguenth at gcc dot gnu.org
2014-03-17 14:40 ` rguenth at gcc dot gnu.org
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