1 files changed, 37 insertions, 0 deletions
diff --git a/tests/template/tgensymhijack.nim b/tests/template/tgensymhijack.nim
new file mode 100644
index 000000000..72ff3d495
--- /dev/null
+++ b/tests/template/tgensymhijack.nim
@@ -0,0 +1,37 @@
+# issue #23326
+
+type Result*[E] = object
+  e*: E
+
+proc error*[E](v: Result[E]): E = discard
+
+template valueOr*[E](self: Result[E], def: untyped): int =
+  when E isnot void:
+    when false:
+      # Comment line below to make it work
+      template error(): E {.used, gensym.} = s.e
+      discard
+    else:
+      template error(): E {.used, inject.} =
+        self.e
+
+      def
+  else:
+    def
+
+
+block:
+  let rErr = Result[string](e: "a")
+  let rErrV = rErr.valueOr:
+    ord(error[0])
+
+block:
+  template foo(x: static bool): untyped =
+    when x:
+      let a = 123
+    else:
+      template a: untyped {.gensym.} = 456
+    a
+  
+  doAssert foo(false) == 456
+  doAssert foo(true) == 123