PR c/17188
* c-decl.c (diagnose_mismatched_decls): Check for duplicate
declarations of enumerators.
(start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
for redefinition. Check for nested redefinition.
(finish_struct): Don't check for nested redefinition.
(start_enum): Check for nested redefinition.
testsuite:
* gcc.dg/nested-redef-1.c, gcc.dg/pr17188-1.c: New tests.
* gcc.dg/decl-3.c: Adjust expected message.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88063
138bc75d-0d04-0410-961f-
82ee72b054a4