pre-expansion gate type_ascription

[rust.git] / src / libsyntax / sess.rs

diff --git a/src/libsyntax/sess.rs b/src/libsyntax/sess.rs
index febaa71477509a76ca10fbd449a4b5c990d3ec44..28a0868d5dd1ea055edb880b444e326de0019205 100644 (file)
--- a/src/libsyntax/sess.rs
+++ b/src/libsyntax/sess.rs
@@ -50,6 +50,8 @@
     pub label_break_value: Lock<Vec<Span>>,
     /// Spans collected for gating `box_syntax`, e.g. `box $expr`.
     pub box_syntax: Lock<Vec<Span>>,
+    /// Spans collected for gating `type_ascription`, e.g. `42: usize`.
+    pub type_ascription: Lock<Vec<Span>>,
 }
 
 /// Info about a parsing session.