Use util::UniqueVector.

Author: ekpyron

libsolidity/codegen/ir/IRGenerationContext.h

@@ -143,12 +143,8 @@ class IRGenerationContext
 
 	RevertStrings revertStrings() const { return m_revertStrings; }
 
-	std::vector<ContractDefinition const*> const& subObjectsCreated() const { return m_subObjects; }
-	void addSubObject(ContractDefinition const* _contractDefinition)
-	{
-		if (!util::contains(m_subObjects, _contractDefinition))
-			m_subObjects.emplace_back(_contractDefinition);
-	}
+	util::UniqueVector<ContractDefinition const*> const& subObjectsCreated() const { return m_subObjects; }
+	void addSubObject(ContractDefinition const* _contractDefinition) { m_subObjects.pushBack(_contractDefinition); }
 
 	bool memoryUnsafeInlineAssemblySeen() const { return m_memoryUnsafeInlineAssemblySeen; }
 	void setMemoryUnsafeInlineAssemblySeen() { m_memoryUnsafeInlineAssemblySeen = true; }
@@ -200,7 +196,7 @@ class IRGenerationContext
 	/// It will fail at runtime but the code must still compile.
 	InternalDispatchMap m_internalDispatchMap;
 
-	std::vector<ContractDefinition const*> m_subObjects;
+	util::UniqueVector<ContractDefinition const*> m_subObjects;
 
 	langutil::DebugInfoSelection m_debugInfoSelection = {};
 	langutil::CharStreamProvider const* m_soliditySourceProvider = nullptr;

libsolidity/codegen/ir/IRGenerator.cpp

@@ -101,7 +101,7 @@ std::string IRGenerator::generate(
 	std::map<ContractDefinition const*, std::string_view const> const& _otherYulSources
 )
 {
-	auto subObjectSources = [&_otherYulSources](std::vector<ContractDefinition const*> const& subObjects) -> std::string
+	auto subObjectSources = [&_otherYulSources](util::UniqueVector<ContractDefinition const*> const& subObjects) -> std::string
 	{
 		std::string subObjectsSources;
 		for (ContractDefinition const* subObject: subObjects)