From 8e6cb25cbfc38beeb60aa2dfb8c6d82376eb3f8c Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Sat, 8 Oct 2022 19:47:05 -0700
Subject: [PATCH] chore: temporarily disable eager lambda lifting

We need a better heuristic for deciding which functions in instances
should be eagerly lambda lifted. Otherwise, it will have to keep
chasing which instances we have to annotate with `[inline]`.
---
 src/Lean/Compiler/LCNF/Passes.lean | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Lean/Compiler/LCNF/Passes.lean b/src/Lean/Compiler/LCNF/Passes.lean
index b687124cf7..c50acf1ff5 100644
--- a/src/Lean/Compiler/LCNF/Passes.lean
+++ b/src/Lean/Compiler/LCNF/Passes.lean
@@ -50,7 +50,7 @@ def builtinPassManager : PassManager := {
     pullFunDecls,
     reduceJpArity,
     simp { etaPoly := true, inlinePartial := true, implementedBy := true } (occurrence := 1),
-    eagerLambdaLifting,
+    -- eagerLambdaLifting,
     specialize,
     simp (occurrence := 2),
     cse,