1 files changed, 3 insertions, 0 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 456054ee251..dfd896fbda4 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -2450,6 +2450,9 @@ impl<'a> Parser<'a> {
                     e.span_label(struct_sp, "while parsing this struct");
                     e.emit();
 
+                    // If the next token is a comma, then try to parse
+                    // what comes next as additional fields, rather than
+                    // bailing out until next `}`.
                     if self.token != token::Comma {
                         self.recover_stmt();
                         break;