PR target/11087

	* loop.c (basic_induction_var): Check if convert_modes emitted any
	instructions. Remove them and return 0 if so.

	* gcc.c-torture/execute/20030717-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69552 138bc75d-0d04-0410-961f-82ee72b054a4