Revert "Revert "Add a test for debug info with the safestack sanitizer enabled.""

This reapplies commit r299730 with an additional REQUIRES line.

llvm-svn: 300468

debuginfo-tests/safestack.c

@@ -0,0 +1,25 @@
+// RUN: %clang %target_itanium_abi_host_triple -arch x86_64 %s -o %t.out -g -fsanitize=safe-stack
+// RUN: %test_debuginfo %s %t.out
+// REQUIRES: not_asan
+//           Zorg configures the ASAN stage2 bots to not build the
+//           safestack compiler-rt.  Only run this test on
+//           non-asanified configurations.
+//
+// DEBUGGER: break 19
+// DEBUGGER: r
+// DEBUGGER: p s
+//
+// CHECK: a = ([0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 5, [6] = 6, [7] = 7)
+
+struct S {
+  int a[8];
+};
+
+int f(struct S s, unsigned i) {
+  return s.a[i];
+}
+
+int main(int argc, const char **argv) {
+  struct S s = {{0, 1, 2, 3, 4, 5, 6, 7}};
+  return f(s, 4);
+}