src/test/ui/for-loop-while/label_break_value_invalid.stderr

error[E0426]: use of undeclared label `'a`
  --> $DIR/label_break_value_invalid.rs:7:19
   |
LL |             break 'a $val;
   |                   ^^ undeclared label `'a`
...
LL |                 mac2!(2);
   |                 -------- in this macro invocation
   |
   = note: this error originates in the macro `mac2` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0426]: use of undeclared label `'a`
  --> $DIR/label_break_value_invalid.rs:32:19
   |
LL |     let x: u8 = mac3!('b: {
   |                       -- a label with a similar name is reachable
LL |         if true {
LL |             break 'a 3;
   |                   ^^
   |                   |
   |                   undeclared label `'a`
   |                   help: try using similarly named label: `'b`

error[E0426]: use of undeclared label `'a`
  --> $DIR/label_break_value_invalid.rs:37:29
   |
LL |     let x: u8 = mac3!(break 'a 4);
   |                             ^^ undeclared label `'a`

warning: label name `'a` shadows a label name that is already in scope
  --> $DIR/label_break_value_invalid.rs:22:13
   |
LL |       let x: u8 = 'a: {
   |                   -- first declared here
...
LL |               'a: {
   |               ^^ label `'a` already in scope
...
LL |       let x: u8 = mac3!('b: {
   |  _________________-
LL | |         if true {
LL | |             break 'a 3;
LL | |         }
LL | |         0
LL | |     });
   | |______- in this macro invocation
   |
   = note: this warning originates in the macro `mac3` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: label name `'b` shadows a label name that is already in scope
  --> $DIR/label_break_value_invalid.rs:30:23
   |
LL |         'b: {
   |         -- first declared here
...
LL |     let x: u8 = mac3!('b: {
   |                       ^^ label `'b` already in scope

warning: label name `'a` shadows a label name that is already in scope
  --> $DIR/label_break_value_invalid.rs:22:13
   |
LL |     let x: u8 = 'a: {
   |                 -- first declared here
...
LL |             'a: {
   |             ^^ label `'a` already in scope
...
LL |     let x: u8 = mac3!(break 'a 4);
   |                 ----------------- in this macro invocation
   |
   = note: this warning originates in the macro `mac3` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: label name `'a` shadows a label name that is already in scope
  --> $DIR/label_break_value_invalid.rs:22:13
   |
LL |             'a: {
   |             ^^
   |             |
   |             first declared here
   |             label `'a` already in scope
...
LL |     let x: u8 = mac3!(break 'a 4);
   |                 ----------------- in this macro invocation
   |
   = note: this warning originates in the macro `mac3` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 3 previous errors; 4 warnings emitted

For more information about this error, try `rustc --explain E0426`.