Mention first and last macro in backtrace

Author: compiler-errors

tests/ui/diverging_sub_expression.stderr

@@ -36,7 +36,7 @@ error: sub-expression diverges
 LL |                 _ => true || panic!("boo"),
    |                              ^^^^^^^^^^^^^
    |
-   = note: this error originates in the macro `$crate::panic::panic_2021` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `$crate::panic::panic_2021` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: sub-expression diverges
   --> $DIR/diverging_sub_expression.rs:38:26

tests/ui/fallible_impl_from.stderr

@@ -38,7 +38,7 @@ note: potential failure(s)
    |
 LL |             panic!();
    |             ^^^^^^^^
-   = note: this error originates in the macro `$crate::panic::panic_2021` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `$crate::panic::panic_2021` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: consider implementing `TryFrom` instead
   --> $DIR/fallible_impl_from.rs:35:1
@@ -65,7 +65,7 @@ LL |         } else if s.parse::<u32>().unwrap() != 42 {
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
 LL |             panic!("{:?}", s);
    |             ^^^^^^^^^^^^^^^^^
-   = note: this error originates in the macro `$crate::panic::panic_2021` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `$crate::panic::panic_2021` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: consider implementing `TryFrom` instead
   --> $DIR/fallible_impl_from.rs:53:1
@@ -87,7 +87,7 @@ LL |         if s.parse::<u32>().ok().unwrap() != 42 {
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 LL |             panic!("{:?}", s);
    |             ^^^^^^^^^^^^^^^^^
-   = note: this error originates in the macro `$crate::panic::panic_2021` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `$crate::panic::panic_2021` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 4 previous errors
 

tests/ui/issue-7447.stderr

@@ -5,15 +5,15 @@ LL |     byte_view(panic!());
    |               ^^^^^^^^
    |
    = note: `-D clippy::diverging-sub-expression` implied by `-D warnings`
-   = note: this error originates in the macro `$crate::panic::panic_2021` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `$crate::panic::panic_2021` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: sub-expression diverges
   --> $DIR/issue-7447.rs:24:19
    |
 LL |     group_entries(panic!());
    |                   ^^^^^^^^
    |
-   = note: this error originates in the macro `$crate::panic::panic_2021` (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `$crate::panic::panic_2021` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 2 previous errors