gdb/testsuite: fix gdb.base/msym-bp-shl when running with Clang

When trying to test gdb.base/msym-bp-shl.exp using clang, it would have
many failures because one of the version of the foo function was being
optimized away. Adding __attribute__ ((used)) to it fixed this.

diff --git a/gdb/testsuite/gdb.base/msym-bp-shl-main-2.c b/gdb/testsuite/gdb.base/msym-bp-shl-main-2.c
index e047ac1145aa49e4abbfe7c1002e9029dd93cb2f..009656fd9eaa5042e201cbd5816c7408ee1855ec 100644 (file)
--- a/gdb/testsuite/gdb.base/msym-bp-shl-main-2.c
+++ b/gdb/testsuite/gdb.base/msym-bp-shl-main-2.c
@@ -15,7 +15,7 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-static void
+static void __attribute__ ((used))
 foo (void)
 {
 }