From 842efab8ae867f001d5043a773ee96a7087c2334 Mon Sep 17 00:00:00 2001
From: Dean Eigenmann <7621705+decanus@users.noreply.github.com>
Date: Mon, 6 Jul 2020 10:23:42 +0200
Subject: Update btrees.nim (#14916)

---
 compiler/btrees.nim | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'compiler')

diff --git a/compiler/btrees.nim b/compiler/btrees.nim
index 65edc54f3..18854d474 100644
--- a/compiler/btrees.nim
+++ b/compiler/btrees.nim
@@ -79,6 +79,9 @@ proc insert[Key, Val](h: Node[Key, Val], key: Key, val: Val): Node[Key, Val] =
   var j = 0
   if not h.isInternal:
     while j < h.entries:
+      if eq(key, h.keys[j]):
+        h.vals[j] = val
+        return
       if less(key, h.keys[j]): break
       inc j
     for i in countdown(h.entries, j+1):
-- 
cgit 1.4.1-2-gfad0