Added a test

Author: gbMattN

compiler-rt/test/asan/TestCases/shadowed-stack-serialization.cpp

@@ -0,0 +1,13 @@
+// RUN: %clangxx_asan -O0 %s -o %t
+// RUN: not %run %t 2>&1 | FileCheck %s
+
+int main()
+{
+	int x;
+	{
+		int x;
+		delete &x;
+	}
+}
+
+// CHECK: [32, 36) 'x'