The attached patch rewrites the pr67443.c testcase in a different way
so that the test still works with the changed allocation of globals
pinned to registers.  The test ist hopefully more robust now.

gcc/testsuite/ChangeLog:

2016-07-20  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* gcc.target/s390/pr67443.c: Fix test case.

From-SVN: r238531