ICE locations display regressed

[matthiaskrgr]

we now have this weird /rustc-dev/${HASH}/ prefix:

previously

error: internal compiler error: compiler/rustc_middle/src/ty/instance.rs:579:21: failed to resolve instance for <fn(FooImpl, ()) as FooFn>::bar
  --> /tmp/crash.rs:12:5
   |
12 |     fn bar(&self);
   |     ^^^^^^^^^^^^^^


thread 'rustc' (2638476) panicked at compiler/rustc_middle/src/ty/instance.rs:579:21:
Box<dyn Any>
stack backtrace:

since #150110 (cc @Urgau )

error: internal compiler error: /rustc-dev/806c2a35dcc1db7867864fea0a7a65554a5238b7/compiler/rustc_middle/src/ty/instance.rs:579:21: failed to resolve instance for <fn(FooImpl, ()) as FooFn>::bar
  --> 139120.rs:12:5
   |
12 |     fn bar(&self);
   |     ^^^^^^^^^^^^^^


thread 'rustc' (2634180) panicked at /rustc-dev/806c2a35dcc1db7867864fea0a7a65554a5238b7/compiler/rustc_middle/src/ty/instance.rs:579:21:
Box<dyn Any>
stack backtrace:

[Urgau]

This is expected, with #150110 we now consistently remaps the prefix for all the paths (including the panic ones) with our prefix /rustc/... (it's enabled locally by setting rust.remap-debuginfo = true in bootstrap.toml).