@@ -35,10 +35,16 @@
 
 @interface OFPlaceholderMutableString: OFMutableString
 @end
 
 @implementation OFPlaceholderMutableString
+#ifdef __clang__
+/* We intentionally don't call into super, so silence the warning. */
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wunknown-pragmas"
+# pragma clang diagnostic ignored "-Wobjc-designated-initializers"
+#endif
 - (instancetype)init
 {
 	return (id)[[OFMutableUTF8String alloc] init];
 }
 
@@ -184,10 +190,13 @@
 {
 	return (id)[[OFMutableUTF8String alloc]
 	    initWithContentsOfIRI: IRI
 			 encoding: encoding];
 }
+#ifdef __clang__
+# pragma clang diagnostic pop
+#endif
 
 OF_SINGLETON_METHODS
 @end
 
 @implementation OFMutableString