X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_expand%2Fsrc%2Fbase.rs;h=ffde8480c02117283c3ac7c47d96f4c48dcabe58;hb=b8f9cb345ab1401f2fbd14cc23f64dda9dd2314e;hp=00453f78287efb8ab9067dbbf1fae3a27e43984e;hpb=1ca43d4b3da5b3ec96fc835da693d487660a6061;p=rust.git

diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs
index 00453f78287..ffde8480c02 100644
--- a/compiler/rustc_expand/src/base.rs
+++ b/compiler/rustc_expand/src/base.rs
@@ -31,11 +31,11 @@
 use rustc_span::hygiene::{AstPass, ExpnData, ExpnKind, LocalExpnId};
 use rustc_span::source_map::SourceMap;
 use rustc_span::symbol::{kw, sym, Ident, Symbol};
-use rustc_span::{BytePos, FileName, RealFileName, Span, DUMMY_SP};
+use rustc_span::{BytePos, FileName, Span, DUMMY_SP};
 use smallvec::{smallvec, SmallVec};
 
 use std::iter;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 use std::rc::Rc;
 
 pub(crate) use rustc_span::hygiene::MacroKind;
@@ -1423,8 +1423,10 @@ fn pretty_printing_compatibility_hack(item: &Item, sess: &ParseSess) -> bool {
             if let [variant] = &*enum_def.variants {
                 if variant.ident.name == sym::Input {
                     let filename = sess.source_map().span_to_filename(item.ident.span);
-                    if let FileName::Real(RealFileName::LocalPath(path)) = filename {
-                        if let Some(c) = path
+                    if let FileName::Real(real) = filename {
+                        if let Some(c) = real
+                            .local_path()
+                            .unwrap_or(Path::new(""))
                             .components()
                             .flat_map(|c| c.as_os_str().to_str())
                             .find(|c| c.starts_with("rental") || c.starts_with("allsorts-rental"))