bugfix: subranges in generics properly detected

1 files changed, 4 insertions, 2 deletions

diff --git a/compiler/trees.nim b/compiler/trees.nim
index 3c8775b87..76a30e3ac 100755
--- a/compiler/trees.nim
+++ b/compiler/trees.nim
@@ -141,6 +141,8 @@ proc SwapOperands(op: PNode) =
   op.sons[2] = tmp
 
 proc IsRange*(n: PNode): bool {.inline.} = 
-  result = n.kind == nkInfix and n[0].kind == nkIdent and 
-    n[0].ident.id == ord(wDotDot)
+  if n.kind == nkInfix:
+    if n[0].kind == nkIdent and n[0].ident.id == ord(wDotDot) or
+        n[0].kind == nkSymChoice and n[0][1].sym.name.id == ord(wDotDot):
+      result = true