From 0cf226220c9068fa9b6d413764401250e40ffa42 Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Thu, 13 Feb 2020 18:26:12 -0800
Subject: [PATCH] fix: remove incorrect assertion

Note that `get_cases_on_minors_range` is now parametric on `m_before_erasure`:
`get_cases_on_minors_range(env(), const_name(fn), m_before_erasure)`
---
 src/library/compiler/csimp.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/library/compiler/csimp.cpp b/src/library/compiler/csimp.cpp
index b688bf6319..71b86c0434 100644
--- a/src/library/compiler/csimp.cpp
+++ b/src/library/compiler/csimp.cpp
@@ -330,7 +330,6 @@ class csimp_fn {
     };
 
     void collect_cases_info(expr e, cases_info_result & result) {
-        lean_assert(m_before_erasure);
         while (true) {
             if (is_lambda(e))
                 e = binding_body(e);