From 08897b5c5facfd35aa971321a248e6fcd6abf5d8 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Sat, 21 Oct 2017 20:59:19 +0300
Subject: [PATCH] Don't fold constant strings if either is translatable.

---
 awkgram.y | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/awkgram.y b/awkgram.y
index 1a75e64..9f35143 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -1589,7 +1589,8 @@ common_exp
 
 			// 1.5 ""   # can't fold this if program mucks with CONVFMT.
 			// See test #12 in test/posix.awk.
-			if ((n1->flags & (NUMBER|NUMINT)) != 0 || (n2->flags & (NUMBER|NUMINT)) != 0)
+			// Also can't fold if one or the other is translatable.
+			if ((n1->flags & (NUMBER|NUMINT|INTLSTR)) != 0 || (n2->flags & (NUMBER|NUMINT|INTLSTR)) != 0)
 				goto plain_concat;
 
 			n1 = force_string(n1);
-- 
2.9.5