rust/compiler/rustc_ast_lowering
bors b6097f2e1b Auto merge of #104219 - bryangarza:async-track-caller-dup, r=eholk
Support `#[track_caller]` on async fns

Adds `#[track_caller]` to the generator that is created when we desugar the async fn.

Fixes #78840

Open questions:
- What is the performance impact of adding `#[track_caller]` to every `GenFuture`'s `poll(...)` function, even if it's unused (i.e., the parent span does not set `#[track_caller]`)? We might need to set it only conditionally, if the indirection causes overhead we don't want.
2022-11-17 13:47:03 +00:00
..
src Auto merge of #104219 - bryangarza:async-track-caller-dup, r=eholk 2022-11-17 13:47:03 +00:00
Cargo.toml rustdoc: use ThinVec for cleaned generics 2022-11-02 16:17:22 -07:00