tests/ui/infinite/issue-41731-infinite-macro-print.stderr

   1 error: recursion limit reached while expanding `$crate::format_args!`
   2   --> $DIR/issue-41731-infinite-macro-print.rs:14:5
   3    |
   4 LL |     stack!("overflow");
   5    |     ^^^^^^^^^^^^^^^^^^
   6    |
   7    = help: consider increasing the recursion limit by adding a `#![recursion_limit = "10"]` attribute to your crate (`issue_41731_infinite_macro_print`)
   8    = note: this error originates in the macro `print` which comes from the expansion of the macro `stack` (in Nightly builds, run with -Z macro-backtrace for more info)
   9
  10 note: trace_macro
  11   --> $DIR/issue-41731-infinite-macro-print.rs:14:5
  12    |
  13 LL |     stack!("overflow");
  14    |     ^^^^^^^^^^^^^^^^^^
  15    |
  16    = note: expanding `stack! { "overflow" }`
  17    = note: to `print! (stack! ("overflow")) ;`
  18    = note: expanding `print! { stack! ("overflow") }`
  19    = note: to `{ $crate :: io :: _print($crate :: format_args! (stack! ("overflow"))) ; }`
  20    = note: expanding `stack! { "overflow" }`
  21    = note: to `print! (stack! ("overflow")) ;`
  22    = note: expanding `print! { stack! ("overflow") }`
  23    = note: to `{ $crate :: io :: _print($crate :: format_args! (stack! ("overflow"))) ; }`
  24
  25 error: format argument must be a string literal
  26   --> $DIR/issue-41731-infinite-macro-print.rs:14:5
  27    |
  28 LL |     stack!("overflow");
  29    |     ^^^^^^^^^^^^^^^^^^
  30    |
  31    = note: this error originates in the macro `print` which comes from the expansion of the macro `stack` (in Nightly builds, run with -Z macro-backtrace for more info)
  32 help: you might be missing a string literal to format with
  33    |
  34 LL |             print!("{}", stack!($overflow));
  35    |                    +++++
  36
  37 error: aborting due to 2 previous errors
  38