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-rw-r--r--compiler/trees.nim2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/trees.nim b/compiler/trees.nim
index 424fba14c..8f0af89d3 100644
--- a/compiler/trees.nim
+++ b/compiler/trees.nim
@@ -96,7 +96,7 @@ proc isDeepConstExpr*(n: PNode): bool =
     result = true
   of nkExprEqExpr, nkExprColonExpr, nkHiddenStdConv, nkHiddenSubConv:
     result = isDeepConstExpr(n.sons[1])
-  of nkCurly, nkBracket, nkPar, nkObjConstr, nkClosure:
+  of nkCurly, nkBracket, nkPar, nkObjConstr, nkClosure, nkRange:
     for i in ord(n.kind == nkObjConstr) .. <n.len:
       if not isDeepConstExpr(n.sons[i]): return false
     if n.typ.isNil: result = true