From c71e535aec5aaef04764238a94e456f2405adbb5 Mon Sep 17 00:00:00 2001
From: Suhas Daftuar <sdaftuar@gmail.com>
Date: Wed, 9 May 2018 09:03:35 -0400
Subject: [PATCH] Bugfix: ensure consistency of m_failed_blocks after
 reconsiderblock

Github-Pull: #13199
Rebased-From: 11fa6bb66e8c1562305d034903a0dc6aee6eea20
---
 src/validation.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/validation.cpp b/src/validation.cpp
index f981d2659..e939ae9e8 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2764,6 +2764,7 @@ bool CChainState::ResetBlockFailureFlags(CBlockIndex *pindex) {
         if (pindex->nStatus & BLOCK_FAILED_MASK) {
             pindex->nStatus &= ~BLOCK_FAILED_MASK;
             setDirtyBlockIndex.insert(pindex);
+            g_failed_blocks.erase(pindex);
         }
         pindex = pindex->pprev;
     }