[Bug c++/38007] [4.2/4.3 Regression] g++ instantiate same operator twice due to bitfield in -O0 mode, causing symbol already defined assembler error

[jason at gcc dot gnu dot org]

------- Comment #6 from jason at gcc dot gnu dot org  2008-11-12 22:14 -------
Subject: Bug 38007

Author: jason
Date: Wed Nov 12 22:13:26 2008
New Revision: 141809

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141809
Log:
        PR c++/38007                                                            
gcc/cp/                                                                         
        * typeck.c (cp_build_modify_expr): Update bitfield handling.            
gcc/                                                                            
        * c-common.c (c_common_signed_or_unsigned_type): Remove C++             
        special casing.                                                         
gcc/testsuite/                                                                  
        * g++.dg/conversion/bitfield10.C: New test.                             
        * g++.dg/warn/pr35635.C (func1): Accept additional warning.             
        * g++.old-deja/g++.mike/enum1.C: Expect warn about assignment.          
        * g++.dg/expr/bitfield9.C: Pass -Wno-overflow.                          

Added:
    branches/gcc-4_2-branch/gcc/testsuite/g++.dg/conversion/bitfield10.C
      - copied unchanged from r141800,
trunk/gcc/testsuite/g++.dg/conversion/bitfield10.C
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/c-common.c
    branches/gcc-4_2-branch/gcc/cp/ChangeLog
    branches/gcc-4_2-branch/gcc/cp/typeck.c
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_2-branch/gcc/testsuite/g++.dg/expr/bitfield9.C
    branches/gcc-4_2-branch/gcc/testsuite/g++.old-deja/g++.mike/enum1.C


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38007