[Bug middle-end/44765] gen_rtx_REG can make out-of-bounds access for INVALID_REGNUM

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44765

--- Comment #1 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> 
2010-11-04 12:41:14 UTC ---
Author: amylaar
Date: Thu Nov  4 12:41:07 2010
New Revision: 166307

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166307
Log:
    PR middle-end/44765
    * emit-rtl.c (gen_rtx_REG): Before using PIC_OFFSET_TABLE_REGNUM
    as an index, check it is not INVALID_REGNUM.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/emit-rtl.c