--- /dev/null
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// This test case tests whether we can handle code bases that contain a high
+// number of closures, something that needs special handling in the MingGW
+// toolchain.
+// See https://github.com/rust-lang/rust/issues/34793 for more information.
+
+// Make sure we don't optimize anything away:
+// compile-flags: -C no-prepopulate-passes
+
+// Expand something exponentially
+macro_rules! go_bacterial {
+ ($mac:ident) => ($mac!());
+ ($mac:ident 1 $($t:tt)*) => (
+ go_bacterial!($mac $($t)*);
+ go_bacterial!($mac $($t)*);
+ )
+}
+
+macro_rules! mk_closure {
+ () => ((move || {})())
+}
+
+macro_rules! mk_fn {
+ () => {
+ {
+ fn function() {
+ // Make 16 closures
+ go_bacterial!(mk_closure 1 1 1 1);
+ }
+ let _ = function();
+ }
+ }
+}
+
+fn main() {
+ // Make 2^12 functions, each containing 16 closures,
+ // resulting in 2^16 closures overall.
+ go_bacterial!(mk_fn 1 1 1 1 1 1 1 1 1 1 1 1);
+}
+++ /dev/null
-// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// This test case tests whether we can handle code bases that contain a high
-// number of closures, something that needs special handling in the MingGW
-// toolchain.
-// See https://github.com/rust-lang/rust/issues/34793 for more information.
-
-// Expand something exponentially
-macro_rules! go_bacterial {
- ($mac:ident) => ($mac!());
- ($mac:ident 1 $($t:tt)*) => (
- go_bacterial!($mac $($t)*);
- go_bacterial!($mac $($t)*);
- )
-}
-
-macro_rules! mk_closure {
- () => ({
- let c = |a: u32| a + 4;
- let _ = c(2);
- })
-}
-
-macro_rules! mk_fn {
- () => {
- {
- fn function() {
- // Make 16 closures
- go_bacterial!(mk_closure 1 1 1 1);
- }
- let _ = function();
- }
- }
-}
-
-fn main() {
- // Make 2^12 functions, each containing 16 closures,
- // resulting in 2^16 closures overall.
- go_bacterial!(mk_fn 1 1 1 1 1 1 1 1 1 1 1 1);
-}