PR middle-end/55771
	* convert.c (convert_to_real): Reject non-float inner types.

testsuite/
	* c-c++-common/pr55771.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200926 138bc75d-0d04-0410-961f-82ee72b054a4