File: const-expression-parameter.stderr

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error: expressions must be enclosed in braces to be used as const generic arguments
  --> $DIR/const-expression-parameter.rs:10:20
   |
LL |     i32_identity::<1 + 2>();
   |                    ^^^^^
   |
help: enclose the `const` expression in braces
   |
LL |     i32_identity::<{ 1 + 2 }>();
   |                    +       +

error: aborting due to 1 previous error