---

yaml
---
r: 225903
b: refs/heads/stable
c: 09ed27c
h: refs/heads/master
i:
  225901: edd4033
  225899: 6d3a090
  225895: b343a31
  225887: bb8968b
v: v3

Author: nagisa

[refs]

@@ -29,6 +29,6 @@ refs/heads/tmp: e5d90d98402475b6e154ce216f9efcb80da1a747
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f
 refs/tags/homu-tmp: 1fe32ca12c51afcd761d9962f51a74ff0d07a591
 refs/tags/1.0.0-beta: 8cbb92b53468ee2b0c2d3eeb8567005953d40828
-refs/heads/stable: ca72d7fe3fd2134f4b6b633f625929c4d30720f9
+refs/heads/stable: 09ed27c05ec8f936294ca6eba1adae35144b2460
 refs/tags/1.0.0: 55bd4f8ff2b323f317ae89e254ce87162d52a375
 refs/tags/1.1.0: bc3c16f09287e5545c1d3f76b7abd54f2eca868b

branches/stable/src/libsyntax/ext/base.rs

@@ -681,7 +681,6 @@ impl<'a> ExtCtxt<'a> {
     pub fn expansion_cause(&self) -> Span {
         let mut expn_id = self.backtrace;
         let mut last_macro = None;
-        let mut current_expn = None;
         loop {
             if self.codemap().with_expn_info(expn_id, |info| {
                 info.map_or(None, |i| {
@@ -690,7 +689,6 @@ impl<'a> ExtCtxt<'a> {
                         return None;
                     }
                     expn_id = i.call_site.expn_id;
-                    current_expn = Some(i.call_site);
                     if i.callee.format != CompilerExpansion {
                         last_macro = Some(i.call_site)
                     }