error: expected expression, found `let` statement
  --> $DIR/parens.rs:10:16
   |
LL |         () if (let 0 = 1) => {}
   |                ^^^

error: expected expression, found `let` statement
  --> $DIR/parens.rs:12:18
   |
LL |         () if (((let 0 = 1))) => {}
   |                  ^^^

error: expected expression, found `let` statement
  --> $DIR/parens.rs:20:16
   |
LL |         () if (let 0 = 1) => {}
   |                ^^^

error: expected expression, found `let` statement
  --> $DIR/parens.rs:23:18
   |
LL |         () if (((let 0 = 1))) => {}
   |                  ^^^

error: `let` expressions are not supported here
  --> $DIR/parens.rs:20:16
   |
LL |         () if (let 0 = 1) => {}
   |                ^^^^^^^^^
   |
   = note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
  --> $DIR/parens.rs:20:16
   |
LL |         () if (let 0 = 1) => {}
   |                ^^^^^^^^^

error: `let` expressions are not supported here
  --> $DIR/parens.rs:23:18
   |
LL |         () if (((let 0 = 1))) => {}
   |                  ^^^^^^^^^
   |
   = note: only supported directly in conditions of `if` and `while` expressions
note: `let`s wrapped in parentheses are not supported in a context with let chains
  --> $DIR/parens.rs:23:18
   |
LL |         () if (((let 0 = 1))) => {}
   |                  ^^^^^^^^^

error: aborting due to 6 previous errors