Remove random test dependency on exact value numbers.

Author: rjmccall

test/SILGen/objc_async.swift

@@ -309,7 +309,7 @@ extension OptionalMemberLookups {
 // CHECK: [[UNMANAGED_OPTIONAL:%.*]] = load [trivial] {{.*}} : $*@sil_unmanaged Optional<NSError>
 // CHECK: [[MANAGED_OPTIONAL:%.*]] = unmanaged_to_ref [[UNMANAGED_OPTIONAL]] : $@sil_unmanaged Optional<NSError> to $Optional<NSError>
 // CHECK: [[RETAINED_OPTIONAL:%.*]] = copy_value [[MANAGED_OPTIONAL]] : $Optional<NSError>
-// CHECK: [[MARKED:%.*]] = mark_dependence [[RETAINED_OPTIONAL]] : $Optional<NSError> on {{.*}} : $*Optional<NSError> // user: %32
+// CHECK: [[MARKED:%.*]] = mark_dependence [[RETAINED_OPTIONAL]] : $Optional<NSError> on {{.*}} : $*Optional<NSError>
 // CHECK: assign [[MARKED]] to {{.*}} : $*Optional<NSError>
 // CHECK: destroy_value {{.*}} : $MainActor
 // CHECK: dealloc_stack {{.*}} : $*AutoreleasingUnsafeMutablePointer<Optional<NSError>>