mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-04 11:17:04 +00:00
d7372a1787
Prevent the `start_bx` basic block in codegen from having two `Builder`s at the same time Here, at the same time, there are two `start_llbb` builder, this should be unexpected.
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.