From c238f45ecfd4fa3d556ea885a53d8e864e3c7566 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Thu, 26 Oct 2017 18:02:15 +0200
Subject: [PATCH] Fix memory corruption bug in opt_rmdff
---
passes/opt/opt_rmdff.cc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/passes/opt/opt_rmdff.cc b/passes/opt/opt_rmdff.cc
index 02f3e93f5..edec42c4d 100644
--- a/passes/opt/opt_rmdff.cc
+++ b/passes/opt/opt_rmdff.cc
@@ -430,6 +430,8 @@ struct OptRmdffPass : public Pass {
assign_map.set(module);
dff_init_map.set(module);
+ mux_drivers.clear();
+ init_attributes.clear();
for (auto wire : module->wires())
{
@@ -534,6 +536,7 @@ struct OptRmdffPass : public Pass {
assign_map.clear();
mux_drivers.clear();
+ init_attributes.clear();
if (total_count || total_initdrv)
design->scratchpad_set_bool("opt.did_something", true);