[Bug c++/41020] [4.5 Regression] Can't declare an extern "C" friend of a builtin function

["dodji at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #10 from dodji at gcc dot gnu dot org  2009-10-26 14:40 -------
Subject: Bug 41020

Author: dodji
Date: Mon Oct 26 14:40:16 2009
New Revision: 153552

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153552
Log:
Fix PR c++/41020

gcc/cp/ChangeLog:

        PR c++/41020
        * decl.c (decls_match): Use DECL_IS_BUILTIN instead of
        DECL_BUILT_IN.

gcc/testsuite/ChangeLog:
        PR c++/41020
        * g++.dg/lookup/extern-c-redecl2.C: New test.
        * g++.dg/lookup/extern-c-redecl3.C: Likewise.
        * g++.dg/lookup/extern-c-redecl4.C: Likewise.
        * g++.dg/lookup/extern-c-redecl5.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl2.C
    trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl3.C
    trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl4.C
    trunk/gcc/testsuite/g++.dg/lookup/extern-c-redecl5.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41020