second test case haul for templates and generics (#22728)

closes #8390, closes #11726, closes #8446, closes #21221, closes #7461,
closes #7995

tests/parser/tprocexprasstmt.nim

@@ -1,3 +1,14 @@
 func r(): auto =
   func(): int = 2
-discard r()()
+doAssert r()() == 2
+
+block: # issue #11726
+  let foo = block:
+    var x: int
+    proc = inc x # "identifier expected, but got '='"
+
+  template paint(): untyped =
+    proc (s: string): string = s
+
+  let s = paint()
+  doAssert s("abc") == "abc"