Fix type safe barrier bridges for generics with non-trivial upper bound

kotlin-native/backend.native/tests/build.gradle

@@ -1540,6 +1540,10 @@ task bridges_special(type: KonanLocalTest) {
     source = "codegen/bridges/special.kt"
 }
 
+task bridges_specialGeneric(type: KonanLocalTest) {
+    source = "codegen/bridges/specialGeneric.kt"
+}
+
 task bridges_nativePointed(type: KonanLocalTest) {
     source = "codegen/bridges/nativePointed.kt"
 }