Auto merge of #78028 - JohnTitor:rollup-jt3hikb, r=JohnTitor

Rollup of 10 pull requests

Successful merges:

 - #75209 (Suggest imports of unresolved macros)
 - #77547 (stabilize union with 'ManuallyDrop' fields and 'impl Drop for Union')
 - #77827 (Don't link to nightly primitives on stable channel)
 - #77855 (resolve: further improvements to "try using the enum's variant" diagnostic)
 - #77900 (Use fdatasync for File::sync_data on more OSes)
 - #77925 (Suggest minimal subset features in `incomplete_features` lint)
 - #77971 (Deny broken intra-doc links in linkchecker)
 - #77991 (Bump backtrace-rs)
 - #77992 (instrument-coverage: try our best to not ICE)
 - #78013 (Fix sidebar scroll on mobile devices)

Failed merges:

r? `@ghost`

1 files changed, 2 insertions, 10 deletions

diff --git a/compiler/rustc_mir/src/transform/instrument_coverage.rs b/compiler/rustc_mir/src/transform/instrument_coverage.rs
index babe10a0f14..6824c73ab60 100644
--- a/compiler/rustc_mir/src/transform/instrument_coverage.rs
+++ b/compiler/rustc_mir/src/transform/instrument_coverage.rs
@@ -22,9 +22,7 @@ use rustc_middle::ty::query::Providers;
 use rustc_middle::ty::TyCtxt;
 use rustc_span::def_id::DefId;
 use rustc_span::source_map::original_sp;
-use rustc_span::{
-    BytePos, CharPos, FileName, Pos, RealFileName, SourceFile, Span, Symbol, SyntaxContext,
-};
+use rustc_span::{BytePos, CharPos, Pos, SourceFile, Span, Symbol, SyntaxContext};
 
 use std::cmp::Ordering;
 
@@ -549,13 +547,7 @@ impl<'a, 'tcx> Instrumentor<'a, 'tcx> {
         let mir_body = &self.mir_body;
         let body_span = self.body_span();
         let source_file = source_map.lookup_source_file(body_span.lo());
-        let file_name = match &source_file.name {
-            FileName::Real(RealFileName::Named(path)) => Symbol::intern(&path.to_string_lossy()),
-            _ => bug!(
-                "source_file.name should be a RealFileName, but it was: {:?}",
-                source_file.name
-            ),
-        };
+        let file_name = Symbol::intern(&source_file.name.to_string());
 
         debug!("instrumenting {:?}, span: {}", def_id, source_map.span_to_string(body_span));