1 error: expected expression, found `)`
2 --> $DIR/trait-path-expressions.rs:8:39
4 LL | fn f1<'a>(arg : Box<dyn X< 1 = 32 >>) {}
5 | - ^ expected expression
7 | while parsing a const generic argument starting here
9 error: expected one of `,`, `:`, or `>`, found `=`
10 --> $DIR/trait-path-expressions.rs:18:36
12 LL | fn f2<'a>(arg : Box<dyn X< { 1 } = 32 >>) {}
13 | - ^ expected one of `,`, `:`, or `>`
15 | maybe try to close unmatched angle bracket
17 error: aborting due to 2 previous errors