[Bug middle-end/31127] [4.3 regression] ICE in cse_find_path, at cse.c:5930

[aoliva at gcc dot gnu dot org]

------- Comment #9 from aoliva at gcc dot gnu dot org  2007-03-14 01:45 -------
Subject: Bug 31127

Author: aoliva
Date: Wed Mar 14 01:45:39 2007
New Revision: 122900

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122900
Log:
gcc/ChangeLog:
PR middle-end/31127
* cse.c (cse_find_path): Do not bail out if a basic block that
we already visited now becomes part of a path that starts at a
different basic block.  Just disallow this, to make sure we
visit each basic block at most once.
gcc/testsuite/ChangeLog:
PR middle-end/31127
* gcc.dg/pr31127.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/pr31127.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cse.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31127