[Bug middle-end/58484] [4.9 Regression] ICE in chrec_fold_plus_1, at tree-chrec.c:272 building 416.gamess

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58484

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Sep 20 17:49:45 2013
New Revision: 202790

URL: http://gcc.gnu.org/viewcvs?rev=202790&root=gcc&view=rev
Log:
2013-09-20  Richard Biener  <rguent...@suse.de>

    PR middle-end/58484
    * tree-scalar-evolution.c (struct scev_info_str): Shrink by
    remembering SSA name version and block index.
    (new_scev_info_str): Adjust.
    (hash_scev_info): Likewise.  Also hash the block index.
    (eq_scev_info): Adjust.
    (find_var_scev_info): Likewise.
    (struct instantiate_cache_entry): Remove.
    (struct instantiate_cache_type): Use a htab to map name, block
    to chrec.
    (instantiate_cache_type::~instantiate_cache_type): Adjust.
    (get_instantiated_value_entry): Likewise.
    (hash_idx_scev_info, eq_idx_scev_info): New functions.
    (instantiate_scev_name): Adjust.

    * gfortran.dg/pr58484.f: New testcase.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr58484.f
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-scalar-evolution.c