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* [Bug c/59139] New: internal compiler error: in get_val_for, at tree-ssa-loop-niter.c:2267
@ 2013-11-14 23:13 regehr at cs dot utah.edu
  2013-11-21 14:46 ` [Bug tree-optimization/59139] [4.7/4.8/4.9 Regression] " rguenth at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: regehr at cs dot utah.edu @ 2013-11-14 23:13 UTC (permalink / raw)
  To: gcc-bugs

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 ‘fn2’:
./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
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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.


^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2014-03-17 14:40 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-11-14 23:13 [Bug c/59139] New: internal compiler error: in get_val_for, at tree-ssa-loop-niter.c:2267 regehr at cs dot utah.edu
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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