[Bug middle-end/52306] [4.8/4.9 regression] ICE in cselib_record_set, at cselib.c:2158

[law at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52306

--- Comment #29 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Mon Feb 10 16:25:44 2014
New Revision: 207662

URL: http://gcc.gnu.org/viewcvs?rev=207662&root=gcc&view=rev
Log:
    PR middle-end/52306
    * reload1.c (emit_input_reload_insns): Do not create invalid RTL
    when changing the SET_DEST of a prior insn to avoid an input
    reload.

    PR middle-end-52306
    * gcc.c-torture/compile/pr52306.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr52306.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/reload1.c
    trunk/gcc/testsuite/ChangeLog