[tree-ssa] PATCH to anonymous union handling

[Jason Merrill]

C++ anonymous unions have been broken since the last merge, because the
code in lookup_name_real wasn't removed.  This patch does that and makes
the appropriate edit in the new place where we handle these bits.

2003-02-07  Jason Merrill  <jason@redhat.com>

	* decl.c (lookup_name_real): Fix merge error.

	* parser.c (cp_parser_primary_expression): Unshare a COMPONENT_REF
	from an ALIAS_DECL.

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