Give match arms an HirId and a Span

1 files changed, 4 insertions, 0 deletions

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 24d120376de..ba36783e11e 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -3946,6 +3946,7 @@ impl<'a> Parser<'a> {
 
     crate fn parse_arm(&mut self) -> PResult<'a, Arm> {
         let attrs = self.parse_outer_attributes()?;
+        let lo = self.span;
         let pats = self.parse_pats()?;
         let guard = if self.eat_keyword(keywords::If) {
             Some(Guard::If(self.parse_expr()?))
@@ -3965,6 +3966,8 @@ impl<'a> Parser<'a> {
         let require_comma = classify::expr_requires_semi_to_be_stmt(&expr)
             && self.token != token::CloseDelim(token::Brace);
 
+        let hi = self.span;
+
         if require_comma {
             let cm = self.sess.source_map();
             self.expect_one_of(&[token::Comma], &[token::CloseDelim(token::Brace)])
@@ -4008,6 +4011,7 @@ impl<'a> Parser<'a> {
             pats,
             guard,
             body: expr,
+            span: lo.to(hi),
         })
     }