[Bug tree-optimization/49809] [4.7 regression] gimple_check failure at -O3

[rsandifo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49809

--- Comment #1 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
2011-07-25 14:51:50 UTC ---
Author: rsandifo
Date: Mon Jul 25 14:51:47 2011
New Revision: 176750

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176750
Log:
gcc/
    PR tree-optimization/49809
    * tree-ssa-phiopt.c (cond_if_else_store_replacement): Use
    gimple_get_lhs instead of gimple_assign_lhs.

gcc/testsuite/
    PR tree-optimization/49809
    * gnat.dg/opt18.adb, gnat.dg/opt18.ads, gnat.dg/opt18_pkg.ads: New
    test.

Added:
    trunk/gcc/testsuite/gnat.dg/opt18.adb
    trunk/gcc/testsuite/gnat.dg/opt18.ads
    trunk/gcc/testsuite/gnat.dg/opt18_pkg.ads
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-phiopt.c