PCH support for do-while and for loops

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69334 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/PCH/stmts.h b/test/PCH/stmts.h
index 798058a..d67ae18 100644
--- a/test/PCH/stmts.h
+++ b/test/PCH/stmts.h
@@ -24,6 +24,13 @@
     if (x > 30) {
       --x;
       continue;
-    }
+    } else if (x < 5)
+      break;
   }
+
+  do {
+    x++;
+  } while (x < 10);
+
+  for (; x < 20; ++x) ;
 }