PR c++/88215
	* c-ubsan.c: Include langhooks.h.
	(ubsan_instrument_division): Change gcc_assert that main variants
	of op0 and op1 types are equal to gcc_checking_assert that the
	main variants are compatible types.

	* c-c++-common/ubsan/pr88215.c: New test.

From-SVN: r266546