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Diffstat (limited to 'compiler/rustc_builtin_macros/src/source_util.rs')
-rw-r--r--compiler/rustc_builtin_macros/src/source_util.rs4
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_builtin_macros/src/source_util.rs b/compiler/rustc_builtin_macros/src/source_util.rs
index 4aafcb2fb6d..ccb9f15b0f5 100644
--- a/compiler/rustc_builtin_macros/src/source_util.rs
+++ b/compiler/rustc_builtin_macros/src/source_util.rs
@@ -61,7 +61,9 @@ pub fn expand_file(
 
     let topmost = cx.expansion_cause().unwrap_or(sp);
     let loc = cx.source_map().lookup_char_pos(topmost.lo());
-    base::MacEager::expr(cx.expr_str(topmost, Symbol::intern(&loc.file.name.to_string())))
+    base::MacEager::expr(
+        cx.expr_str(topmost, Symbol::intern(&loc.file.name.prefer_remapped().to_string_lossy())),
+    )
 }
 
 pub fn expand_stringify(