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-rw-r--r--compiler/GHC/CmmToWasm.hs3
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/GHC/CmmToWasm.hs b/compiler/GHC/CmmToWasm.hs
index 37aa2a6273..40089d44cb 100644
--- a/compiler/GHC/CmmToWasm.hs
+++ b/compiler/GHC/CmmToWasm.hs
@@ -627,3 +627,6 @@ wasmMakeDynamicReference
wasmMakeDynamicReference _config _referenceKind _lbl =
unimp "convert CLabel to something Wasm can understand"
+
+--- XXX need a note that the proc-point splitting rules out nodes of
+--- the form `CmmLit (CmmBlock id)`.