'ignore-fast' directives do nothing

src/test/compile-fail/privacy5.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 // aux-build:privacy-tuple-struct.rs
-// ignore-fast
 
 extern crate "privacy-tuple-struct" as other;
 

src/test/run-pass/c-stack-returning-int64.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-fast doesn't like extern crate
 
 extern crate libc;
 

src/test/run-pass/foreign-fn-linkname.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-fast doesn't like extern crate
 
 extern crate libc;
 use std::ffi::CString;

src/test/run-pass/foreign-mod-unused-const.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-fast doesn't like extern crate
 
 extern crate libc;
 

src/test/run-pass/foreign2.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-fast doesn't like extern crate
 
 extern crate libc;
 

src/test/run-pass/issue-4735.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-fast doesn't like extern crate
 
 #![allow(unknown_features)]
 #![feature(box_syntax)]

src/test/run-pass/newtype-struct-with-dtor.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-fast doesn't like extern crate
 
 extern crate libc;
 use libc::c_int;

src/test/run-pass/variadic-ffi.rs

@@ -13,7 +13,6 @@ extern crate libc;
 use std::ffi::{self, CString};
 use libc::{c_char, c_int};
 
-// ignore-fast doesn't like extern crate
 
 extern {
     fn sprintf(s: *mut c_char, format: *const c_char, ...) -> c_int;