TSan: update line number after XFAIL on iOS.
@@ -76,8 +76,8 @@ int main(int argc, const char *argv[]) {
// CHECK: Hello world.
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK: Write of size 8
-// CHECK: #0 {{.*}}xpc-race.mm:34
+// CHECK: #0 {{.*}}xpc-race.mm:36
// CHECK: Previous write of size 8
-// CHECK: #0 {{.*}}xpc-race.mm:34
+// CHECK: #0 {{.*}}xpc-race.mm:36
// CHECK: Location is global 'global'
// CHECK: Done.
