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-rw-r--r--src/libsyntax_ext/proc_macro_server.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax_ext/proc_macro_server.rs b/src/libsyntax_ext/proc_macro_server.rs
index 4babc2e612f..6c7da589a42 100644
--- a/src/libsyntax_ext/proc_macro_server.rs
+++ b/src/libsyntax_ext/proc_macro_server.rs
@@ -402,7 +402,7 @@ impl server::TokenStream for Rustc<'_> {
     }
     fn from_str(&mut self, src: &str) -> Self::TokenStream {
         parse::parse_stream_from_source_str(
-            FileName::ProcMacroSourceCode,
+            FileName::proc_macro_source_code(src.clone()),
             src.to_string(),
             self.sess,
             Some(self.call_site),