From dfcbe75900f2cb813754ef104526ebce568fd75b Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Sun, 11 Aug 2019 01:08:30 +0300
Subject: syntax_pos: Introduce a helper for checking whether a span comes from
 expansion

---
 src/libsyntax/parse/parser.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/libsyntax/parse')

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 2286e74e633..3b0af88f651 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -1101,7 +1101,7 @@ impl<'a> Parser<'a> {
 
     crate fn process_potential_macro_variable(&mut self) {
         self.token = match self.token.kind {
-            token::Dollar if self.token.span.ctxt() != SyntaxContext::empty() &&
+            token::Dollar if self.token.span.from_expansion() &&
                              self.look_ahead(1, |t| t.is_ident()) => {
                 self.bump();
                 let name = match self.token.kind {
-- 
cgit 1.4.1-3-g733a5