[Bug debug/81993] [7 Regression] -gsplit-dwarf removes some symbols, causing some undefined references

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Aug 29 08:21:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81993

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Aug 29 07:06:46 2017
New Revision: 251399

URL: https://gcc.gnu.org/viewcvs?rev=251399&root=gcc&view=rev
Log:
2017-08-29  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2017-08-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/81977
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
        memcpy.

        * g++.dg/torture/pr81977.C: New testcase.

        2017-08-28  Richard Biener  <rguenther@suse.de>

        PR debug/81993
        * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
        Do nothing for removed DIEs.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/torture/pr81977.C
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/dwarf2out.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/tree-ssa-sccvn.c


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