If a test case is not compiled on a specific platform, print "skipped"
to stdout. This helps identifying missing coverage on a given platform.

llvm-svn: 132300
diff --git a/compiler-rt/test/Unit/modti3_test.c b/compiler-rt/test/Unit/modti3_test.c
index 3be0714..bd05c72 100644
--- a/compiler-rt/test/Unit/modti3_test.c
+++ b/compiler-rt/test/Unit/modti3_test.c
@@ -88,6 +88,8 @@
     if (test__modti3(make_ti(0x8000000000000000LL, 0), -3, -2))
         return 1;
 
+#else
+    printf("skipped\n");
 #endif
     return 0;
 }