[Bug rtl-optimization/53706] [4.8 Regression] [ia64]: Bootstrap failure due to "Invalid write of size 8 at 0xBDC35E: variable_htab_free (var-tracking.c:1418)

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53706

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-06-17
                 CC|                            |aoliva at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> 2012-06-17 17:00:44 UTC ---
r188530 fails.

2012-06-13  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47624
        * var-tracking.c (loc_exp_dep_pool): New.
        (vt_emit_notes): Create and release the pool.
        (compute_bb_dataflow): Use value-based locations in MO_VAL_SET.
        (emit_notes_in_bb): Likewise.
        (loc_exp_dep_insert): Deal with NOT_ONEPART vars.
        (notify_dependents_of_changed_value): Likewise.
        (notify_dependents_of_resolved_value): Check that NOT_ONEPART
        variables don't have a VAR_LOC_DEP_LST.
        (emit_note_insn_var_location): Expand NOT_ONEPART locs that are
        VALUEs or MEMs of VALUEs.