[Bug c++/32121] [4.1/4.2/4.3 Regression] C++ front-end accepts invalid __label__ declarations

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

------- Comment #4 from jakub at gcc dot gnu dot org  2007-10-12 07:08 -------
Subject: Bug 32121

Author: jakub
Date: Fri Oct 12 07:07:46 2007
New Revision: 129253

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129253
Log:
        PR c++/32121
        * parser.c (cp_parser_compound_statement): Handle label-declarations
        at the beginning of the compound statement.
        (cp_parser_block_declaration): Issue diagnostics about __label__
        not at the beginning of a block.

        * g++.dg/ext/label4.C: Adjust error regexp.
        * g++.dg/ext/label6.C: Adjust error regexp.
        * g++.dg/ext/label7.C: New test.
        * g++.dg/ext/label8.C: New test.
        * g++.dg/ext/label9.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ext/label7.C
    trunk/gcc/testsuite/g++.dg/ext/label8.C
    trunk/gcc/testsuite/g++.dg/ext/label9.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/parser.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/ext/label4.C
    trunk/gcc/testsuite/g++.dg/ext/label6.C


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32121