diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs index 5d8498f8b5d26..ff3fda8ff930d 100644 --- a/src/libsyntax/print/pprust.rs +++ b/src/libsyntax/print/pprust.rs @@ -1651,9 +1651,18 @@ impl<'a> State<'a> { } } ast::StmtKind::Semi(ref expr) => { - self.space_if_not_bol(); - self.print_expr_outer_attr_style(expr, false); - self.s.word(";"); + match expr.node { + // Filter out empty `Tup` exprs created for the `redundant_semicolon` + // lint, as they shouldn't be visible and interact poorly + // with proc macros. + ast::ExprKind::Tup(ref exprs) if exprs.is_empty() + && expr.attrs.is_empty() => (), + _ => { + self.space_if_not_bol(); + self.print_expr_outer_attr_style(expr, false); + self.s.word(";"); + } + } } ast::StmtKind::Mac(ref mac) => { let (ref mac, style, ref attrs) = **mac;