omp-low.c (expand_omp_sections): Always pass len - 1 to GOMP_sections_start, even if !exit_reachable.

	* omp-low.c (expand_omp_sections): Always pass len - 1 to
	GOMP_sections_start, even if !exit_reachable.
libgomp/
	* testsuite/libgomp.c/sections-2.c: New test.

From-SVN: r202738