[Bug c/43661] [4.5 Regression] ice in fold_comparison, at fold-const.c:9579

2010-04-06 Thread jakub at gcc dot gnu dot org 


--- Comment #1 from jakub at gcc dot gnu dot org  2010-04-06 08:02 ---
Caused by r145254.  Shorter testcase:
int
func (int x)
{
  return 0 ? (unsigned short) (0 ? : 1 * (signed char) (x ^ x) = 0) : 1;
}


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jakub at gcc dot gnu dot org changed:

   What|Removed |Added

Summary|ice in fold_comparison, at  |[4.5 Regression] ice in
   |fold-const.c:9579   |fold_comparison, at fold-
   ||const.c:9579
   Target Milestone|--- |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43661

[Bug c/43661] [4.5 Regression] ice in fold_comparison, at fold-const.c:9579

2010-04-06 Thread rguenth at gcc dot gnu dot org 


--- Comment #2 from rguenth at gcc dot gnu dot org  2010-04-06 09:00 ---
These kind of asserts are really bogus ...

Well.  We have an unfolded tree.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 Ever Confirmed|0   |1
   Last reconfirmed|-00-00 00:00:00 |2010-04-06 09:00:32
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43661

[Bug c/43661] [4.5 Regression] ice in fold_comparison, at fold-const.c:9579

2010-04-06 Thread rguenth at gcc dot gnu dot org 


--- Comment #3 from rguenth at gcc dot gnu dot org  2010-04-06 09:10 ---
I have a fix for the ICE.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 AssignedTo|unassigned at gcc dot gnu   |rguenth at gcc dot gnu dot
   |dot org |org
 Status|NEW |ASSIGNED
   Last reconfirmed|2010-04-06 09:00:32 |2010-04-06 09:10:53
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43661

[Bug c/43661] [4.5 Regression] ice in fold_comparison, at fold-const.c:9579

2010-04-06 Thread rguenth at gcc dot gnu dot org 


--- Comment #4 from rguenth at gcc dot gnu dot org  2010-04-06 10:37 ---
Subject: Bug 43661

Author: rguenth
Date: Tue Apr  6 10:36:57 2010
New Revision: 157984

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=157984
Log:
2010-04-06  Richard Guenther  rguent...@suse.de

PR middle-end/43661
* fold-const.c (fold_comparison): Handle X * 0 CMP 0.

* gcc.c-torture/compile/pr43661.c: New testcase.

Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr43661.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43661

[Bug c/43661] [4.5 Regression] ice in fold_comparison, at fold-const.c:9579

2010-04-06 Thread rguenth at gcc dot gnu dot org 


--- Comment #5 from rguenth at gcc dot gnu dot org  2010-04-06 10:47 ---
Fixed.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution||FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43661