mirror of
https://github.com/rust-lang/rust.git
synced 2025-12-30 09:25:31 +00:00
Prevent String::retain from creating non-utf8 strings when abusing panic Fixes #78498 The idea is the same as `Vec::drain`, set the len to 0 so that nobody can observe the broken invariant if it escapes the function (in this case if `f` panics)