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-rw-r--r--compiler/rustc_codegen_ssa/src/mir/block.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs
index fd3f89a2aee..72e9163b88e 100644
--- a/compiler/rustc_codegen_ssa/src/mir/block.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/block.rs
@@ -1144,7 +1144,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
             let topmost = span.ctxt().outer_expn().expansion_cause().unwrap_or(span);
             let caller = tcx.sess.source_map().lookup_char_pos(topmost.lo());
             let const_loc = tcx.const_caller_location((
-                Symbol::intern(&caller.file.name.to_string()),
+                Symbol::intern(&caller.file.name.prefer_remapped().to_string_lossy()),
                 caller.line as u32,
                 caller.col_display as u32 + 1,
             ));