re PR testsuite/68242 (FAIL: libgomp.oacc-c-c++-common/reduction-2.c, and other OpenACC reduction test case "oddities")

	libgomp/
	PR testsuite/68242
	* testsuite/libgomp.oacc-c-c++-common/reduction-1.c: Adjust test.
	* testsuite/libgomp.oacc-c-c++-common/reduction-2.c: Likewise.

From-SVN: r234957