syntax_pos::Symbol should not implement Sync

Fixes #42407
2017-06-05 21:52:34 -04:00 · 2017-06-05 21:52:34 -04:00 · c47df30a0b
parent ae79201533
commit c47df30a0b
1 changed files with 1 additions and 0 deletions
--- a/src/libsyntax_pos/symbol.rs
+++ b/src/libsyntax_pos/symbol.rs
@ -81,6 +81,7 @@ pub struct Symbol(u32);

 // The interner in thread-local, so `Symbol` shouldn't move between threads.
 impl !Send for Symbol { }
+impl !Sync for Symbol { }

 impl Symbol {
    /// Maps a string to its interned representation.