[Bug tree-optimization/33920] [4.3 Regression] Segfault in combine_blocks/tree-if-conv.c

[uros at gcc dot gnu dot org]

------- Comment #6 from uros at gcc dot gnu dot org  2007-10-28 14:58 -------
Subject: Bug 33920

Author: uros
Date: Sun Oct 28 14:57:50 2007
New Revision: 129696

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129696
Log:
        PR tree-optimization/33920
        * tree-if-conv.c (tree_if_conversion): Force predicate of single
        successor bb to true when predecessor bb has NULL predicate.
        (find_phi_replacement_condition): Assert that tmp_cond is non-null.

testsuite/ChangeLog:

        PR tree-optimization/33920
        * gcc.dg/tree-ssa/pr33290.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr33920.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-if-conv.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33920