libgcc_s is required by libstdc++

	libgomp/
	* testsuite/lib/libgomp.exp (libgomp_init): Potentially append to
	always_ld_library_path the path to libgcc_s.

From-SVN: r234170

libgomp/ChangeLog

+2016-03-13  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* testsuite/lib/libgomp.exp (libgomp_init): Potentially append to
+	always_ld_library_path the path to libgcc_s.
+
 2016-03-10  Cesar Philippidis  <cesar@codesourcery.com>
 
 	PR testsuite/70009

libgomp/testsuite/lib/libgomp.exp

@@ -142,6 +142,8 @@ proc libgomp_init { args } {
 	append always_ld_library_path ":${blddir}/../liboffloadmic/plugin/.libs"
 	# libstdc++ is required by liboffloadmic
 	append always_ld_library_path ":${blddir}/../libstdc++-v3/src/.libs"
+	# libgcc_s is required by libstdc++
+	append always_ld_library_path ":${blddir}/../libgcc"
     }
 
     global offload_additional_lib_paths