[Bug debug/27574] [4.2/4.3 Regression] MIssing debug info at -O0 for a local variable in a C++ constructor

[dodji at gcc dot gnu dot org]

------- Comment #27 from dodji at gcc dot gnu dot org  2008-11-14 13:28 -------
Subject: Bug 27574

Author: dodji
Date: Fri Nov 14 13:26:59 2008
New Revision: 141858

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141858
Log:
gcc/ChangeLog:
        PR debug/27574
        * cgraph.h: New abstract_and_needed member to struct cgraph_node.
        * cgraphunit.c (cgraph_analyze_functions): Flag abstract functions
        -which clones are reachable - as "abstract and needed".
        * cgraph.c (cgraph_release_function_body):  If a node is
        "abstract and needed", do not release its DECL_INITIAL() content
        will be needed to emit debug info.

gcc/testsuite/ChangeLog:
        PR debug/27574
        * g++.dg/debug/dwarf2/local-var-in-contructor.C: New test.


Added:
   
branches/gcc-4_3-branch/gcc/testsuite/g++.dg/debug/dwarf2/local-var-in-contructor.C
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/cgraph.c
    branches/gcc-4_3-branch/gcc/cgraph.h
    branches/gcc-4_3-branch/gcc/cgraphunit.c
    branches/gcc-4_3-branch/gcc/final.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27574