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-rw-r--r--compiler/semfold.nim3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/semfold.nim b/compiler/semfold.nim
index 42fa60781..0f1138e04 100644
--- a/compiler/semfold.nim
+++ b/compiler/semfold.nim
@@ -538,7 +538,8 @@ proc getArrayConstr(m: PSym, n: PNode): PNode =
 
 proc foldArrayAccess(m: PSym, n: PNode): PNode =
   var x = getConstExpr(m, n.sons[0])
-  if x == nil or x.typ.skipTypes({tyGenericInst}).kind == tyTypeDesc: return
+  if x == nil or x.typ.skipTypes({tyGenericInst, tyAlias}).kind == tyTypeDesc:
+    return
 
   var y = getConstExpr(m, n.sons[1])
   if y == nil: return