From 4e0a9593282fd560aca6c7c5c316f1ea8963359c Mon Sep 17 00:00:00 2001
From: James Cherry <cherry@parallaxsw.com>
Date: Sun, 17 May 2020 18:54:33 -0700
Subject: [PATCH] deleteDrvrReducedParasitics lock

---
 parasitics/ConcreteParasitics.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/parasitics/ConcreteParasitics.cc b/parasitics/ConcreteParasitics.cc
index dd2b437c..f09f76d3 100644
--- a/parasitics/ConcreteParasitics.cc
+++ b/parasitics/ConcreteParasitics.cc
@@ -1015,6 +1015,7 @@ ConcreteParasitics::deleteReducedParasitics(const Pin *pin)
 void
 ConcreteParasitics::deleteDrvrReducedParasitics(const Pin *drvr_pin)
 {
+  UniqueLock lock(lock_);
   ConcreteParasitic **parasitics = drvr_parasitic_map_[drvr_pin];
   if (parasitics) {
     int ap_count = corners_->parasiticAnalysisPtCount();