PR c/24329

	* c-pretty-print.c (pp_c_type_specifier): Do not recurse if
	c_common_type_for_mode returns an unnamed type.

testsuite:
	* gcc.dg/format/unnamed-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106421 138bc75d-0d04-0410-961f-82ee72b054a4