[Bug tree-optimization/58984] [4.8/4.9 Regression] wrong code at -Os and above on x86_64-linux-gnu in 64-bit mode

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58984

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Nov  5 12:05:37 2013
New Revision: 204385

URL: http://gcc.gnu.org/viewcvs?rev=204385&root=gcc&view=rev
Log:
    PR tree-optimization/58984
    * ipa-prop.c (ipa_load_from_parm_agg_1): Add SIZE_P argument,
    set *SIZE_P if non-NULL on success.
    (ipa_load_from_parm_agg, ipa_analyze_indirect_call_uses): Adjust
    callers.
    (ipcp_transform_function): Likewise.  Punt if size of access
    is different from TYPE_SIZE on v->value's type.

    * gcc.c-torture/execute/pr58984.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr58984.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-prop.c
    trunk/gcc/testsuite/ChangeLog