fixes #9864 [backport]

tests/macros/tescape_var_into_quotedo_as_const.nim

@@ -0,0 +1,36 @@
+discard """
+  output: '''ok'''
+"""
+# bug #9864
+import macros, tables
+
+proc bar(shOpt: Table[string, int]) = discard
+
+macro dispatchGen(): untyped =
+  var shOpt = initTable[string, int]()
+  shOpt["foo"] = 10
+  result = quote do:
+     bar(`shOpt`)
+
+dispatchGen()
+
+type
+  Foo = object
+    data: seq[int]
+
+proc barB(a: Foo) = discard
+
+proc shOptB(): auto =
+  var shOpt: Foo
+  shOpt.data.setLen 1 # fails
+  shOpt
+
+macro dispatchGenB(): untyped =
+  var shOpt = shOptB() # fails
+
+  result = quote do:
+     barB(`shOpt`)
+
+dispatchGenB()
+
+echo "ok"