fix?

Author: Kha

src/Lean/Meta/Match/MatchEqs.lean

@@ -229,7 +229,7 @@ where go baseName splitterName := withConfig (fun c => { c with etaStruct := .no
       assert! matchInfo.altInfos == splitterAltInfos
       -- This match statement does not need a splitter, we can use itself for that.
       -- (We still have to generate a declaration to satisfy the realizable constant)
-      addAndCompile <| Declaration.defnDecl {
+      addAndCompile (logCompileErrors := false) <| Declaration.defnDecl {
         name        := splitterName
         levelParams := constInfo.levelParams
         type        := constInfo.type