From 9760b7f126cfd5bb8ab8764331ad876b8e23297c Mon Sep 17 00:00:00 2001
From: Frank Celler <f.celler@triagens.de>
Date: Sun, 22 Apr 2012 07:40:31 +0200
Subject: simple fix for underflow

---
 src/parse.y | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/parse.y')

diff --git a/src/parse.y b/src/parse.y
index 9ffe6d33d..62433a6bf 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -2976,16 +2976,17 @@ nextc(parser_state *p)
     c = *p->s++;
   }
   if (c == '\n') {
-    if (p->nerr < 1) {
+    if (p->column < 0) {
+      p->column++; // pushback caused an underflow
+    }
+    else {
       p->lineno++;
       p->column = 0;
     }
     // must understand heredoc
   }
   else {
-    if (p->nerr < 1) {
-      p->column++;
-    }
+    p->column++;
   }
   return c;
 }
-- 
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