1 error: expected expression, found `)`
2 --> $DIR/trait-path-expressions.rs:6:39
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:16:36
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 help: you might have meant to end the type parameters here
19 LL | fn f2<'a>(arg : Box<dyn X< { 1 }> = 32 >>) {}
22 error: aborting due to 2 previous errors