[Bug middle-end/47743] [4.6 Regression] PRE ICE in fold_convert_loc

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47743

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-02-15 
13:04:50 UTC ---
Author: rguenth
Date: Tue Feb 15 13:04:47 2011
New Revision: 170173

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170173
Log:
2011-02-15  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/47743
    * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
    for a non-type-compatible VN lookup bail out.

    * gcc.dg/torture/pr47743.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr47743.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c