error: unnecessary parentheses around `let` scrutinee expression
  --> $DIR/issue-74883-unused-paren-baren-yield.rs:14:29
   |
LL |         while let Some(_) = ({yield}) {}
   |                             ^       ^
   |
note: the lint level is defined here
  --> $DIR/issue-74883-unused-paren-baren-yield.rs:3:24
   |
LL | #![deny(unused_braces, unused_parens)]
   |                        ^^^^^^^^^^^^^
help: remove these parentheses
   |
LL -         while let Some(_) = ({yield}) {}
LL +         while let Some(_) = {yield} {}
   |

error: unnecessary parentheses around `let` scrutinee expression
  --> $DIR/issue-74883-unused-paren-baren-yield.rs:15:29
   |
LL |         while let Some(_) = ((yield)) {}
   |                             ^       ^
   |
help: remove these parentheses
   |
LL -         while let Some(_) = ((yield)) {}
LL +         while let Some(_) = (yield) {}
   |

error: unnecessary braces around block return value
  --> $DIR/issue-74883-unused-paren-baren-yield.rs:16:10
   |
LL |         {{yield}};
   |          ^     ^
   |
note: the lint level is defined here
  --> $DIR/issue-74883-unused-paren-baren-yield.rs:3:9
   |
LL | #![deny(unused_braces, unused_parens)]
   |         ^^^^^^^^^^^^^
help: remove these braces
   |
LL -         {{yield}};
LL +         {yield};
   |

error: unnecessary parentheses around block return value
  --> $DIR/issue-74883-unused-paren-baren-yield.rs:17:10
   |
LL |         {( yield )};
   |          ^^     ^^
   |
help: remove these parentheses
   |
LL -         {( yield )};
LL +         {yield};
   |

error: unnecessary parentheses around block return value
  --> $DIR/issue-74883-unused-paren-baren-yield.rs:18:30
   |
LL |         while let Some(_) = {(yield)} {}
   |                              ^     ^
   |
help: remove these parentheses
   |
LL -         while let Some(_) = {(yield)} {}
LL +         while let Some(_) = {yield} {}
   |

error: unnecessary braces around block return value
  --> $DIR/issue-74883-unused-paren-baren-yield.rs:19:30
   |
LL |         while let Some(_) = {{yield}} {}
   |                              ^     ^
   |
help: remove these braces
   |
LL -         while let Some(_) = {{yield}} {}
LL +         while let Some(_) = {yield} {}
   |

error: aborting due to 6 previous errors