Replace absolute line numbers in c-c++-common

Replace absolute line numbers in c-c++-common

2017-05-03  Tom de Vries  <tom@codesourcery.com>

	PR testsuite/80557
	* c-c++-common/Wshift-negative-value-1.c: Replace absolute line numbers.
	* c-c++-common/Wshift-negative-value-2.c: Same.
	* c-c++-common/Wshift-negative-value-3.c: Same.
	* c-c++-common/Wshift-negative-value-4.c: Same.
	* c-c++-common/cilk-plus/AN/pr57541.c: Same.
	* c-c++-common/cpp/pr60400.c: Same.
	* c-c++-common/fmax-errors.c: Same.
	* c-c++-common/goacc/data-2.c: Same.
	* c-c++-common/goacc/host_data-2.c: Same.
	* c-c++-common/gomp/simd4.c: Same.
	* c-c++-common/pr28656.c: Same.
	* c-c++-common/pr43395.c: Same.
	* c-c++-common/torture/pr57945.c: Same.

From-SVN: r247537