Add Sync bounds to the crate store

[rust.git] / src / librustc / middle / cstore.rs

diff --git a/src/librustc/middle/cstore.rs b/src/librustc/middle/cstore.rs
index 4400ebc294fd89f4afd114926bb98e17198c6dbf..61c8470b616f833f2284fede138d1002232b44c2 100644 (file)
--- a/src/librustc/middle/cstore.rs
+++ b/src/librustc/middle/cstore.rs
@@ -38,7 +38,7 @@
 use syntax::symbol::Symbol;
 use syntax_pos::Span;
 use rustc_target::spec::Target;
-use rustc_data_structures::sync::{MetadataRef, Lrc};
+use rustc_data_structures::sync::{self, MetadataRef, Lrc};
 
 pub use self::NativeLibraryKind::*;
 
@@ -255,6 +255,8 @@ fn encode_metadata<'a, 'tcx>(&self,
     fn metadata_encoding_version(&self) -> &[u8];
 }
 
+pub type CrateStoreDyn = CrateStore + sync::Sync;
+
 // FIXME: find a better place for this?
 pub fn validate_crate_name(sess: Option<&Session>, s: &str, sp: Option<Span>) {
     let mut err_count = 0;