From 6e8d5790c838ecacf3a33bf3162db62b5cdc5304 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Sun, 6 May 2018 09:00:41 +0200
Subject: [PATCH] pegs: fixes another null accessing bug

---
 lib/pure/pegs.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pure/pegs.nim b/lib/pure/pegs.nim
index 6355c4899c..8304298421 100644
--- a/lib/pure/pegs.nim
+++ b/lib/pure/pegs.nim
@@ -617,7 +617,7 @@ proc rawMatch*(s: string, p: Peg, start: int, c: var Captures): int {.
       a, b: Rune
     result = start
     while i < len(p.term):
-      while true:
+      while i < len(p.term):
         fastRuneAt(p.term, i, a)
         if a != Rune('_'): break
       while result < s.len: