Auto merge of rust-lang#79172 - a1phyr:cold_abort, r=Mark-Simulacrum

Add #[cold] attribute to `std::process::abort` and `alloc::alloc::handle_alloc_error`
nhwn · Nov 23, 2020 · f32459c · f32459c
2 parents 32da90b + b4c91f9
commit f32459c
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diff --git a/library/alloc/src/alloc.rs b/library/alloc/src/alloc.rs
@@ -360,6 +360,7 @@ extern "Rust" {
 #[stable(feature = "global_alloc", since = "1.28.0")]
 #[cfg(not(test))]
 #[rustc_allocator_nounwind]
+#[cold]
 pub fn handle_alloc_error(layout: Layout) -> ! {
     unsafe {
         __rust_alloc_error_handler(layout.size(), layout.align());

diff --git a/library/std/src/process.rs b/library/std/src/process.rs
@@ -1779,6 +1779,7 @@ pub fn exit(code: i32) -> ! {
 ///
 /// [panic hook]: crate::panic::set_hook
 #[stable(feature = "process_abort", since = "1.17.0")]
+#[cold]
 pub fn abort() -> ! {
     crate::sys::abort_internal();
 }