2020-04-23  Andrew Stubbs  <ams@codesourcery.com>
	    Thomas Schwinge  <thomas@codesourcery.com>

	PR middle-end/93488

	gcc/
	* omp-expand.c (expand_omp_target): Use force_gimple_operand_gsi on
	t_async and the wait arguments.

	gcc/testsuite/
	* c-c++-common/goacc/pr93488.c: New file.

Reviewed-by: Thomas Schwinge <thomas@codesourcery.com>