<error/rlang_error>
High-level message
Backtrace:
  1. rlang::catch_cnd(a())
  8. rlang:::a()
  9. rlang:::b()
 10. rlang:::c()
<error/rlang_error>
High-level message
Backtrace:
  1. rlang::with_options(catch_cnd(a()), `rlang:::force_unhandled_error` = TRUE)
  9. rlang:::a()
 10. rlang:::b()
 11. rlang:::c()
