Auto merge of #89139 - camsteffen:write-perf, r=Mark-Simulacrum

Use ZST for fmt unsafety as suggested here - https://github.com/rust-lang/rust/pull/83302#issuecomment-923529151.
2021-09-23 02:10:26 +00:00 · 2021-09-23 02:10:26 +00:00 · 67365d64bc
commit 67365d64bc
parent 30278d3cf9 2efa9d7969
9 changed files with 111 additions and 103 deletions
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@ -253,6 +253,7 @@ symbols! {
        TyCtxt,
        TyKind,
        Unknown,
+        UnsafeArg,
        Vec,
        Yield,
        _DECLS,