Add a test for PR33166.

This tests optimized code where a variable is allocated on the
stack for some part of the function.

llvm-svn: 303903

debuginfo-tests/stack-var.c

@@ -0,0 +1,18 @@
+// RUN: %clang %target_itanium_abi_host_triple %s -O -o %t.out -g
+// RUN: %test_debuginfo %s %t.out
+
+void __attribute__((noinline)) bar(int *test) {}
+int main() {
+  int test;
+  test = 23;
+  // DEBUGGER: break 12
+  // DEBUGGER: r
+  // DEBUGGER: p test
+  // CHECK: 23
+  bar(&test);
+  // DEBUGGER: break 17
+  // DEBUGGER: c
+  // DEBUGGER: p test
+  // CHECK: 23
+  return test;
+}