[Bug middle-end/47691] [4.6/4.7 Regression] ICE: in create_linear_expr_from_tree, at graphite-sese-to-poly.c:1138 with -fgraphite-identity -ffast-math -fno-tree-scev-cprop

["spop at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47691

--- Comment #5 from Sebastian Pop <spop at gcc dot gnu.org> 2011-07-27 16:52:58 UTC ---
Author: spop
Date: Wed Jul 27 16:52:52 2011
New Revision: 176836

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176836
Log:
Fix PR47691: do not abort compilation when code generation fails

2011-07-27  Sebastian Pop  <sebastian.pop@amd.com>

    PR middle-end/47691
    * graphite-clast-to-gimple.c (translate_clast_user): Update use of
    copy_bb_and_scalar_dependences.
    * sese.c (rename_uses): Do not call gcc_assert.  Set gloog_error.
    (graphite_copy_stmts_from_block): Update call to rename_uses.
    (copy_bb_and_scalar_dependences): Update call to
    graphite_copy_stmts_from_block.
    * sese.h (copy_bb_and_scalar_dependences): Update declaration.

    * gfortran.dg/graphite/id-pr47691.f: New.

Added:
    trunk/gcc/testsuite/gfortran.dg/graphite/id-pr47691.f
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-clast-to-gimple.c
    trunk/gcc/sese.c
    trunk/gcc/sese.h
    trunk/gcc/testsuite/ChangeLog