[Bug debug/50869] [4.7 Regression] ice in vt_expand_var_loc_chain

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50869

--- Comment #4 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2011-11-01 02:09:04 UTC ---
Author: aoliva
Date: Tue Nov  1 02:09:00 2011
New Revision: 180725

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180725
Log:
PR debug/50869
* cselib.c (cfa_base_preserved_regno): Initialize.
(cselib_expand_value_rtx_1): Don't expand it.
* var-tracking.c (vt_expand_var_loc_chain): Initialize depth.
Check it's only zero if result is NULL.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cselib.c
    trunk/gcc/var-tracking.c