[Bug c++/27227] [4.0/4.1 Regression] rejects valid code with some extern "C"

[mmitchel at gcc dot gnu dot org]

------- Comment #4 from mmitchel at gcc dot gnu dot org  2006-06-14 19:17 -------
Subject: Bug 27227

Author: mmitchel
Date: Wed Jun 14 19:17:19 2006
New Revision: 114652

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=114652
Log:
        PR c++/27227
        * decl.c (decls_match): Allow an extern "C" variable declarations
        from different namespaces to match.
        (duplicate_decls): Disallow redeclaring a variable with a
        different linkage specification.
        PR c++/27227
        * g++.dg/lookup/linkage1.C: New test.
        * g++.dg/lookup/linkage2.C: Likewise.

Added:
    branches/gcc-4_1-branch/gcc/testsuite/g++.dg/lookup/linkage1.C
    branches/gcc-4_1-branch/gcc/testsuite/g++.dg/lookup/linkage2.C
Modified:
    branches/gcc-4_1-branch/gcc/cp/ChangeLog
    branches/gcc-4_1-branch/gcc/cp/decl.c
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27227