Add another failing use-after-scope test

Summary:
  Use after scope is not detected if array larger then 8 bytes.

Subscribers: kubabrecka

Differential Revision: http://reviews.llvm.org/D19572

llvm-svn: 268330

Author: vitalybuka

compiler-rt/test/asan/TestCases/use-after-scope-chars.cc

@@ -0,0 +1,15 @@
+// RUN: %clangxx_asan -O1 -mllvm -asan-use-after-scope=1 %s -o %t && \
+// RUN:     not %run %t 2>&1 | FileCheck %s
+// XFAIL: *
+
+// FIXME: This works only for arraysize <= 8.
+
+char *p = 0;
+
+int main() {
+  {
+    char x[1024] = {};
+    p = x;
+  }
+  return *p;  // BOOM
+}