Re-revert "Refactor debuginfo-tests."

This is still breaking greendragon.

At this point I give up until someone can fix the greendragon
bots, and I will probably abandon this effort in favor of using
a private github repository.

llvm-svn: 318722

debuginfo-tests/nested-struct.cpp

@@ -0,0 +1,21 @@
+// RUN: %clangxx %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %test_debuginfo %s %t.o
+// Radar 9440721
+// If debug info for my_number() is emitted outside function foo's scope
+// then a debugger may not be able to handle it. At least one version of
+// gdb crashes in such cases.
+
+// DEBUGGER: ptype foo
+// CHECK: int (void)
+
+int foo() {
+  struct Local {
+    static int my_number() {
+      return 42;
+    }
+  };
+
+  int i = 0;
+  i = Local::my_number();
+  return i + 1;
+}