[NCGenerics] extra coverage for interface emission

Author: kavon

test/ModuleInterface/Inputs/NoncopyableGenerics_Misc.swift

@@ -66,3 +66,5 @@ public protocol TestAssocTypes {
 public typealias SomeAlias<G> = Hello<G>
 
 public typealias AliasWithInverse<G> = Hello<G> where G: ~Copyable, G: ~Escapable
+
+public struct RudePointer<T: ~Copyable>: Copyable {}

test/ModuleInterface/noncopyable_generics.swift

@@ -93,6 +93,9 @@ import NoncopyableGenerics_Misc
 // CHECK-MISC: #if compiler(>=5.3) && $NoncopyableGenerics
 // CHECK-MISC-NEXT: public typealias AliasWithInverse<G> = {{.*}}.Hello<G> where G : ~Copyable, G : ~Escapable
 
+// CHECK-MISC: #if compiler(>=5.3) && $NoncopyableGenerics
+// CHECK-MISC-NEXT: public struct RudePointer<T> : Swift.Copyable where T : ~Copyable {
+
 ///////////////////////////////////////////////////////////////////////
 // Synthesized conditional conformances are next