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Make SyntaxExtension thread-safe

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This commit is contained in:
John Kåre Alsaker 2018-03-03 06:24:49 +01:00
parent 11ccc4cac6
commit 3f0cb8ccff
2 changed files with 13 additions and 9 deletions
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2
src/libsyntax/lib.rs
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@ -28,6 +28,8 @@
#![feature(const_atomic_usize_new)]
#![feature(rustc_attrs)]
#![recursion_limit="256"]
// See librustc_cratesio_shim/Cargo.toml for a comment explaining this.
#[allow(unused_extern_crates)]
extern crate rustc_cratesio_shim;