PP: Fix #1605: Paste tokens for ## through number->letter transitions.
diff --git a/gtests/AST.FromFile.cpp b/gtests/AST.FromFile.cpp
index 955e3a8..e2a8341 100644
--- a/gtests/AST.FromFile.cpp
+++ b/gtests/AST.FromFile.cpp
@@ -93,6 +93,7 @@
         "cppSimple.vert",
         "cppIndent.vert",
         "cppIntMinOverNegativeOne.frag",
+        "cppMerge.frag",
         "cppNest.vert",
         "cppBad.vert",
         "cppBad2.vert",