src/test/ui/macros/macro-or-patterns-back-compat.stderr

   1 error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
   2   --> $DIR/macro-or-patterns-back-compat.rs:10:21
   3    |
   4 LL | macro_rules! foo { ($x:pat | $y:pat) => {} }
   5    |                     ^^^^^^ help: use pat_param to preserve semantics: `$x:pat_param`
   6    |
   7 note: the lint level is defined here
   8   --> $DIR/macro-or-patterns-back-compat.rs:4:9
   9    |
  10 LL | #![deny(rust_2021_incompatible_or_patterns)]
  11    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  12    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
  13    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/or-patterns-macro-rules.html>
  14
  15 error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
  16   --> $DIR/macro-or-patterns-back-compat.rs:13:23
  17    |
  18 LL | macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} }
  19    |                       ^^^^^^ help: use pat_param to preserve semantics: `$x:pat_param`
  20    |
  21    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
  22    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/or-patterns-macro-rules.html>
  23
  24 error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
  25   --> $DIR/macro-or-patterns-back-compat.rs:19:21
  26    |
  27 LL | macro_rules! ogg { ($x:pat | $y:pat_param) => {} }
  28    |                     ^^^^^^ help: use pat_param to preserve semantics: `$x:pat_param`
  29    |
  30    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
  31    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/or-patterns-macro-rules.html>
  32
  33 error: the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
  34   --> $DIR/macro-or-patterns-back-compat.rs:23:26
  35    |
  36 LL |     ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => {
  37    |                          ^^^^^^^^ help: use pat_param to preserve semantics: `$pat:pat_param`
  38    |
  39    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
  40    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/or-patterns-macro-rules.html>
  41
  42 error: aborting due to 4 previous errors
  43