Auto merge of #89530 - workingjubilee:rollup-ua14iq6, r=workingjubilee

Rollup of 13 pull requests

Successful merges:

 - #83655 ([aarch64] add target feature outline-atomics)
 - #87091 (implement advance_(back_)_by on more iterators)
 - #88451 (Fix an ICE caused by type mismatch errors being ignored)
 - #88452 (VecDeque: improve performance for From<[T; N]>)
 - #89400 (Improve wording of `map_or_else` docs)
 - #89407 (Recommend running `cargo clean` in E0514 output)
 - #89443 (Include the length in BTree hashes)
 - #89444 (rustdoc: use slice::contains instead of open-coding it)
 - #89447 (Improve error message for missing angle brackets in `[_]::method`)
 - #89453 (Consistently use 'supertrait'.)
 - #89483 (Practice diagnostic message convention)
 - #89500 (Fix ICE with buffered lint referring to AST node deleted by everybody_loops)
 - #89508 (Stabilize `const_panic`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 5 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index c5deb11edd0..b15efcd0dc2 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -416,6 +416,11 @@ pub fn llvm_global_features(sess: &Session) -> Vec<String> {
     // -Ctarget-features
     features.extend(sess.opts.cg.target_feature.split(',').flat_map(&filter));
 
+    // FIXME: Move outline-atomics to target definition when earliest supported LLVM is 12.
+    if get_version() >= (12, 0, 0) && sess.target.llvm_target.contains("aarch64-unknown-linux") {
+        features.push("+outline-atomics".to_string());
+    }
+
     features
 }