[Bug debug/43478] Missing DW_AT_location for a variable

["jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #9 from jakub at gcc dot gnu dot org  2010-05-05 10:43 -------
Subject: Bug 43478

Author: jakub
Date: Wed May  5 10:43:36 2010
New Revision: 159063

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159063
Log:
        PR debug/43478
        * df-problems.c (struct dead_debug_use, struct dead_debug): New.
        (dead_debug_init, dead_debug_finish): New functions.
        (dead_debug_add, dead_debug_insert_before): Likewise.
        (df_note_bb_compute): Initialize a dead_debug object, add dead
        debug uses to it, insert debug bind insns before death insns,
        reset debug insns that refer to pending uses at the end.
        * rtl.h (make_debug_expr_from_rtl): New prototype.
        * varasm.c (make_debug_expr_from_rtl): New function.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/df-problems.c
    trunk/gcc/rtl.h
    trunk/gcc/varasm.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43478