Auto merge of #81035 - JohnTitor:rollup-9m03awf, r=JohnTitor

Rollup of 5 pull requests

Successful merges:

 - #80254 (Don't try to add nested predicate to Rustdoc auto-trait `ParamEnv`)
 - #80834 (Remove unreachable panics from VecDeque::{front/back}[_mut])
 - #80944 (Use Option::map_or instead of `.map(..).unwrap_or(..)`)
 - #81008 (Don't ICE when computing a layout of a generator tainted by errors)
 - #81023 (Remove doctree::Variant)

Failed merges:

 - #81033 (Remove useless `clean::Variant` struct)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
index 593e0d92031..e184e929b07 100644
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -804,7 +804,7 @@ impl HandlerInner {
     }
 
     fn treat_err_as_bug(&self) -> bool {
-        self.flags.treat_err_as_bug.map(|c| self.err_count() >= c).unwrap_or(false)
+        self.flags.treat_err_as_bug.map_or(false, |c| self.err_count() >= c)
     }
 
     fn print_error_count(&mut self, registry: &Registry) {
@@ -913,7 +913,7 @@ impl HandlerInner {
         // This is technically `self.treat_err_as_bug()` but `delay_span_bug` is called before
         // incrementing `err_count` by one, so we need to +1 the comparing.
         // FIXME: Would be nice to increment err_count in a more coherent way.
-        if self.flags.treat_err_as_bug.map(|c| self.err_count() + 1 >= c).unwrap_or(false) {
+        if self.flags.treat_err_as_bug.map_or(false, |c| self.err_count() + 1 >= c) {
             // FIXME: don't abort here if report_delayed_bugs is off
             self.span_bug(sp, msg);
         }