chore(ir): disable compiling with --via-ir pipeline until we fully support it

Author: cdrappi

libsolidity/interface/StandardCompiler.cpp

@@ -819,6 +819,8 @@ std::variant<StandardCompiler::InputsAndSettings, Json> StandardCompiler::parseI
 		if (!settings["viaIR"].is_boolean())
 			return formatFatalError(Error::Type::JSONError, "\"settings.viaIR\" must be a Boolean.");
 		ret.viaIR = settings["viaIR"].get<bool>();
+		if (ret.viaIR)
+			return formatFatalError(Error::Type::JSONError, "The via-IR pipeline is not currently supported. Support for via-IR is planned for a future release.");
 	}
 
 	if (settings.contains("evmVersion"))

solc/CommandLineParser.cpp

@@ -1487,6 +1487,12 @@ void CommandLineParser::processArgs()
 		m_args.count(g_strModelCheckerTimeout);
 	m_options.output.viaIR = (m_args.count(g_strExperimentalViaIR) > 0 || m_args.count(g_strViaIR) > 0);
 
+	if (m_options.output.viaIR)
+		solThrow(
+			CommandLineValidationError,
+			"The --via-ir pipeline is not currently supported. Support for --via-ir is planned for a future release."
+		);
+
 	solAssert(
 		m_options.input.mode == InputMode::Compiler ||
 		m_options.input.mode == InputMode::CompilerWithASTImport ||