Initial slang.

Change-Id: I4f84a741e5fbc440cd4c251406d2b611a237f713
diff --git a/utils/VtableTest/check-zti b/utils/VtableTest/check-zti
new file mode 100755
index 0000000..bf5b045
--- /dev/null
+++ b/utils/VtableTest/check-zti
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+N_STRUCTS=300
+
+# Utility routine to "hand" check type infos.
+
+let i=1;
+while [ $i != $N_STRUCTS ]; do
+  sed -n "/^__ZTI.*s$i:/,/\.[sg][el]/p" test-clang.s |
+    grep -v '\.[sg][el]' | sed 's/(\([0-9][0-9]*\))/\1/' >test-clang-zti
+  sed -n "/^__ZTI.*s$i:/,/\.[sg][el]/p" test-gcc.s |
+    grep -v '\.[sg][el]' | sed 's/(\([0-9][0-9]*\))/\1/' >test-gcc-zti
+  diff -U3 test-gcc-zti test-clang-zti
+  if [ $? != 0 ]; then
+     echo "FAIL: s$i type info"
+  else
+     echo "PASS: s$i type info"
+  fi
+  let i=i+1
+done