From: Alberto Gonzalez <boqwxp@airmail.cc>
Date: Sun, 19 Apr 2020 23:52:21 +0000 (+0000)
Subject: Clean up extraneous buffer.
X-Git-Tag: working-ls180~517^2~14
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a4755c50c37636db1f39097e607592487d4eed29;p=yosys.git

Clean up extraneous buffer.
---

diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc
index a915f207d..6b0957ad7 100644
--- a/passes/techmap/techmap.cc
+++ b/passes/techmap/techmap.cc
@@ -1423,14 +1423,11 @@ struct FlattenPass : public Pass {
 							new_used_modules.insert(cell->type);
 			}
 
-			std::set<RTLIL::Module *> to_remove;
-			for (auto mod : design->modules())
+			for (auto mod : design->modules().to_vector())
 				if (!used_modules[mod->name] && !mod->get_blackbox_attribute(worker.ignore_wb)) {
 					log("Deleting now unused module %s.\n", log_id(mod));
-					to_remove.insert(mod);
+					design->remove(mod);
 				}
-			for (auto mod : to_remove)
-				design->remove(mod);
 		}
 
 		log_pop();