Revert "Remove bad debug info test."

This reverts commit r201183.
The test, albeit undocumented and badly written is still testing something
useful. It will be updated in a subsequent commit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@201247 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGenObjC/debug-property-synth.m

@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -triple %itanium_abi_triple -masm-verbose -S -g %s -o - | FileCheck %s
+// Radar 9468526
+@interface I {
+  int _p1;
+}
+@property int p1;
+@end
+
+@implementation I
+@synthesize p1 = _p1;
+@end
+
+int main() {
+  I *myi;
+  myi.p1 = 2;
+  return 0;
+}
+
+// FIXME: Make this test ir files.
+// CHECK:       .loc    2 6 0