Revert "rustc: disable jemalloc's time-delayed purging to remove ASLR-like effects."

eddyb · eddyb · commit 0763c7be93b4 · 2022-06-13T08:00:06.000Z
This reverts commit a10f0d2.
diff --git a/compiler/rustc/src/main.rs b/compiler/rustc/src/main.rs
@@ -56,12 +56,6 @@ fn main() {
             #[used]
             static _F7: unsafe extern "C" fn() = _rjem_je_zone_register;
         }
-
-        // HACK(eddyb) disable time-delayed purging to remove the main (only?)
-        // source of non-determinism in `jemalloc`.
-        #[used]
-        #[export_name = "malloc_conf"]
-        static MALLOC_CONF: &'static [u8; 34] = b"dirty_decay_ms:0,muzzy_decay_ms:0\0";
     }
 
     rustc_driver::set_sigpipe_handler();

Original file line number	Diff line number	Diff line change
`@@ -56,12 +56,6 @@ fn main() {`
`56`	`56`	`#[used]`
`57`	`57`	`static _F7: unsafe extern "C" fn() = _rjem_je_zone_register;`
`58`	`58`	`}`
`59`		`-`
`60`		`- // HACK(eddyb) disable time-delayed purging to remove the main (only?)`
`61`		- // source of non-determinism in `jemalloc`.
`62`		`- #[used]`
`63`		`- #[export_name = "malloc_conf"]`
`64`		`- static MALLOC_CONF: &'static [u8; 34] = b"dirty_decay_ms:0,muzzy_decay_ms:0\0";`
`65`	`59`	`}`
`66`	`60`
`67`	`61`	`rustc_driver::set_sigpipe_handler();`