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-rw-r--r--compiler/jsgen.nim5
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/jsgen.nim b/compiler/jsgen.nim
index 04009250e..5d96907b5 100644
--- a/compiler/jsgen.nim
+++ b/compiler/jsgen.nim
@@ -671,7 +671,10 @@ proc arith(p: PProc, n: PNode, r: var TCompRes, op: TMagic) =
   of mAddU: binaryUintExpr(p, n, r, "+")
   of mSubU: binaryUintExpr(p, n, r, "-")
   of mMulU: binaryUintExpr(p, n, r, "*")
-  of mDivU: binaryUintExpr(p, n, r, "/")
+  of mDivU:
+    binaryUintExpr(p, n, r, "/")
+    if n[1].typ.skipTypes(abstractRange).size == 8:
+      r.res = "Math.trunc($1)" % [r.res]
   of mDivI:
     arithAux(p, n, r, op)
   of mModI: