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Diffstat (limited to 'compiler/rustc_expand/src/mbe/diagnostics.rs')
| -rw-r--r-- | compiler/rustc_expand/src/mbe/diagnostics.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_expand/src/mbe/diagnostics.rs b/compiler/rustc_expand/src/mbe/diagnostics.rs index 698492f42e2..99aa376626d 100644 --- a/compiler/rustc_expand/src/mbe/diagnostics.rs +++ b/compiler/rustc_expand/src/mbe/diagnostics.rs @@ -24,6 +24,7 @@ pub(super) fn failed_to_match_macro( arg: TokenStream, lhses: &[Vec<MatcherLoc>], ) -> (Span, ErrorGuaranteed) { + debug!("failed to match macro"); // An error occurred, try the expansion again, tracking the expansion closely for better // diagnostics. let mut tracker = CollectTrackerAndEmitter::new(psess.dcx(), sp); |