[Bug debug/28063] [4.2 regression] Dwarf no longer uses merged strings for DW_AT_comp_dir

[drow at gcc dot gnu dot org]

------- Comment #2 from drow at gcc dot gnu dot org  2006-08-02 13:32 -------
Subject: Bug 28063

Author: drow
Date: Wed Aug  2 13:31:56 2006
New Revision: 115874

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=115874
Log:
gcc/
        PR debug/28063
        * dwarf2out.c (prune_unused_types_prune): Move call to
        prune_unused_types_update_strings to cover the parent DIE also.
gcc/testuite/
        PR debug/28063
        * gcc.dg/debug/dwarf2/dwarf-merge.c: New test.
        * lib/target-supports.exp (get_compiler_messages): Add WANT_OUTPUT.
        Optionally return assembly text.  Update callers.
        (check_no_compiler_messages): Update verbose messages.
        (check_no_messages_and_pattern): New.
        (check_effective_target_string_merging): New.

Added:
    trunk/gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-merge.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dwarf2out.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/lib/target-supports.exp


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28063