From f12a5431a19ac80900fe049e3d44000b891e6273 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Tue, 21 Aug 2018 20:33:47 +0200
Subject: make tests green again

---
 lib/system.nim | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/system.nim')

diff --git a/lib/system.nim b/lib/system.nim
index 52ed524be..832a98976 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -4112,6 +4112,7 @@ template once*(body: untyped): untyped =
 {.pop.} #{.push warning[GcMem]: off, warning[Uninit]: off.}
 
 proc substr*(s: string, first, last: int): string =
+  let first = max(first, 0)
   let L = max(min(last, high(s)) - first + 1, 0)
   result = newString(L)
   for i in 0 .. L-1:
-- 
cgit 1.4.1-2-gfad0