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-rw-r--r--compiler/semexprs.nim4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/semexprs.nim b/compiler/semexprs.nim
index 268982147..2b74846bd 100644
--- a/compiler/semexprs.nim
+++ b/compiler/semexprs.nim
@@ -1472,6 +1472,10 @@ proc semSubscript(c: PContext, n: PNode, flags: TExprFlags): PNode =
         # type parameters: partial generic specialization
         n.sons[0] = semSymGenericInstantiation(c, n.sons[0], s)
         result = explicitGenericInstantiation(c, n, s)
+        if result == n:
+          n.sons[0] = copyTree(result)
+        else:
+          n.sons[0] = result
       of skMacro, skTemplate:
         if efInCall in flags:
           # We are processing macroOrTmpl[] in macroOrTmpl[](...) call.