Rollup merge of #54687 - scottmcm:more-elision, r=dtolnay

Use impl_header_lifetime_elision in libcore

The feature is approved for stabilization, so let's use it to remove about 300 `'a`s.

Tracking issue for the feature: https://github.com/rust-lang/rust/issues/15872

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libcore/panic.rs b/src/libcore/panic.rs
index 17cac5aa0a0..f0efeb59e8d 100644
--- a/src/libcore/panic.rs
+++ b/src/libcore/panic.rs
@@ -133,7 +133,7 @@ impl<'a> PanicInfo<'a> {
 }
 
 #[stable(feature = "panic_hook_display", since = "1.26.0")]
-impl<'a> fmt::Display for PanicInfo<'a> {
+impl fmt::Display for PanicInfo<'_> {
     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
         formatter.write_str("panicked at ")?;
         if let Some(message) = self.message {
@@ -258,7 +258,7 @@ impl<'a> Location<'a> {
 }
 
 #[stable(feature = "panic_hook_display", since = "1.26.0")]
-impl<'a> fmt::Display for Location<'a> {
+impl fmt::Display for Location<'_> {
     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
         write!(formatter, "{}:{}:{}", self.file, self.line, self.col)
     }