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/clzti2_test.c b/compiler-rt/test/Unit/clzti2_test.c
index 668c790..d2ca164 100644
--- a/compiler-rt/test/Unit/clzti2_test.c
+++ b/compiler-rt/test/Unit/clzti2_test.c
@@ -83,6 +83,8 @@
         return 1;
     if (test__clzti2(make_ti(0x8000000100000000LL, 0x8000000800000000LL), 0))
         return 1;
+#else
+    printf("skipped\n");
 #endif
    return 0;
 }