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[Bug c/4784] Anonymous structs issues



------- Comment #7 from jsm28 at gcc dot gnu dot org  2010-05-09 16:20 -------
Subject: Bug 4784

Author: jsm28
Date: Sun May  9 16:19:28 2010
New Revision: 159204

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159204
Log:
        PR c/4784
        * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
        structures and unions recursively.
        (detect_field_duplicates): Move duplicate detection with a hash to
        detect_field_duplicates_hash.  Always use a hash if anonymous
        structures or unions are present.
        * doc/extend.texi (Unnamed Fields): Document that duplicate fields
        give errors.

testsuite:
        * gcc.dg/anon-struct-9.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/anon-struct-9.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-decl.c
    trunk/gcc/doc/extend.texi
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=4784


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