From 2176ea759fed7c01919e9945f54c1cba8f598db5 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Wed, 8 Apr 2015 15:13:58 +0200
Subject: [PATCH] fixes #2489

---
 compiler/ccgexprs.nim             | 2 +-
 tests/ccgbugs/tarray_equality.nim | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 tests/ccgbugs/tarray_equality.nim

diff --git a/compiler/ccgexprs.nim b/compiler/ccgexprs.nim
index c7a92ed32b..4123be7b9c 100644
--- a/compiler/ccgexprs.nim
+++ b/compiler/ccgexprs.nim
@@ -1587,7 +1587,7 @@ proc genRangeChck(p: BProc, n: PNode, d: var TLoc, magic: string) =
         [getTypeDesc(p.module, dest), rdCharLoc(a)])
   else:
     initLocExpr(p, n.sons[0], a)
-    if leValue(n.sons[2], n.sons[1]):
+    if not leValue(n.sons[1], n.sons[2]):
       internalError(n.info, "range check will always fail; empty range")
     putIntoDest(p, d, dest, ropecg(p.module, "(($1)#$5($2, $3, $4))", [
         getTypeDesc(p.module, dest), rdCharLoc(a),
diff --git a/tests/ccgbugs/tarray_equality.nim b/tests/ccgbugs/tarray_equality.nim
new file mode 100644
index 0000000000..1d4465477a
--- /dev/null
+++ b/tests/ccgbugs/tarray_equality.nim
@@ -0,0 +1,9 @@
+discard """
+  output: '''true'''
+"""
+
+# bug #2489
+
+let a = [1]
+let b = [1]
+echo a == b