PR c/17189
	* c-decl.c (grokfield): Make diagnostic for bad cases of unnamed
	fields a pedwarn.  Pedwarn here for unnamed structs/unions if
	pedantic.
	* c-parse.in (component_decl): Don't pedwarn here for unnamed
	fields.

testsuite:
	* gcc.dg/anon-struct-5.c: New test.

From-SVN: r88834