[Bug tree-optimization/29921] [4.3 regression]: internal compiler error: in set_lattice_value, at tree-ssa-ccp.c:437

[rakdver at gcc dot gnu dot org]

------- Comment #10 from rakdver at gcc dot gnu dot org  2006-11-22 23:11 
-------
Subject: Bug 29921

Author: rakdver
Date: Wed Nov 22 23:11:15 2006
New Revision: 119102

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=119102
Log:
        PR tree-optimization/29921
        * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
        signed and unsigned zero equal.

        * gcc.dg/pr29921.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr29921.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29921