Optimizing: Try pattern substitution when we cannot inline.

Change-Id: I7c01f4494bac8498accc0f087044ec509fee4c98
diff --git a/test/569-checker-pattern-replacement/info.txt b/test/569-checker-pattern-replacement/info.txt
new file mode 100644
index 0000000..4dfa932
--- /dev/null
+++ b/test/569-checker-pattern-replacement/info.txt
@@ -0,0 +1 @@
+Test pattern substitution used when we cannot inline.