Avoid producing NoDelim values in MacArgs::delim().

nnethercote · nnethercote · commit e08df2dd6b7c · 2022-04-27T08:15:12.000+10:00
diff --git a/src/expr.rs b/src/expr.rs
@@ -1325,7 +1325,7 @@ pub(crate) fn can_be_overflowed_expr(
         }
         ast::ExprKind::MacCall(ref mac) => {
             match (
-                rustc_ast::ast::MacDelimiter::from_token(mac.args.delim()),
+                rustc_ast::ast::MacDelimiter::from_token(mac.args.delim().unwrap()),
                 context.config.overflow_delimited_expr(),
             ) {
                 (Some(ast::MacDelimiter::Bracket), true)

Original file line number	Diff line number	Diff line change
`@@ -1325,7 +1325,7 @@ pub(crate) fn can_be_overflowed_expr(`
`1325`	`1325`	`}`
`1326`	`1326`	`ast::ExprKind::MacCall(ref mac) => {`
`1327`	`1327`	`match (`
`1328`		`- rustc_ast::ast::MacDelimiter::from_token(mac.args.delim()),`
	`1328`	`+ rustc_ast::ast::MacDelimiter::from_token(mac.args.delim().unwrap()),`
`1329`	`1329`	`context.config.overflow_delimited_expr(),`
`1330`	`1330`	`) {`
`1331`	`1331`	`(Some(ast::MacDelimiter::Bracket), true)`