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-rw-r--r--src/librustc_errors/emitter.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs
index 58f851aea38..8a4fd24a29b 100644
--- a/src/librustc_errors/emitter.rs
+++ b/src/librustc_errors/emitter.rs
@@ -767,6 +767,7 @@ impl EmitterWriter {
                         }
                         // Check to make sure we're not in any <*macros>
                         if !cm.span_to_filename(def_site).is_macros() &&
+                           !trace.macro_decl_name.starts_with("desugaring of ") &&
                            !trace.macro_decl_name.starts_with("#[") ||
                            always_backtrace {
                             new_labels.push((trace.call_site,