Add RegionStore test that illustrates a bogus array-out-of-bounds error.

llvm-svn: 70795

clang/test/Analysis/xfail_regionstore_bogus_array_bounds_failure.c

@@ -0,0 +1,11 @@
+// RUN: clang-cc -checker-cfref -analyze -analyzer-store=region -verify %s
+// XFAIL
+
+// What we are seeing: Load or store into an out-of-bound memory position
+// This is bogus.
+
+void f() {
+  long x = 0;
+  char *y = (char*) &x;
+  char c = y[0] + y[1] + y[2]; // no-warning
+}