Add testcases for #11811 and #14315 (#14726)

* Add testcase for #11811

* Add testcase for #14315

tests/bind/tbind.nim

@@ -4,6 +4,7 @@ output: '''
 1
 1
 1
+5
 '''
 """
 
@@ -65,3 +66,13 @@ block tmixin:
 
   Foo(a)
   Foo(b)
+
+# issue #11811
+proc p(a : int) =
+  echo a
+
+proc printVar*[T:int|float|string](a : T) =
+  bind p
+  p(a)
+
+printVar(5)

tests/destructor/tdestructor.nim

@@ -155,3 +155,13 @@ proc caseobj_test_sink: TCaseObj =
 
 echo "---"
 discard caseobj_test_sink()
+
+# issue #14315
+
+type Vector*[T] = object
+  x1: int
+  # x2: T # uncomment will remove error
+
+# proc `=destroy`*(x: var Vector[int]) = discard # this will remove error
+proc `=destroy`*[T](x: var Vector[T]) = discard
+var a: Vector[int] # Error: unresolved generic parameter