Do not warn about enabled ABIEncoderV2 anymore.

libsolidity/analysis/SyntaxChecker.cpp

@@ -106,7 +106,7 @@ bool SyntaxChecker::visit(PragmaDirective const& _pragma)
 			{
 				auto feature = ExperimentalFeatureNames.at(literal);
 				m_sourceUnit->annotation().experimentalFeatures.insert(feature);
-				if (!ExperimentalFeatureOnlyAnalysis.count(feature))
+				if (!ExperimentalFeatureWithoutWarning.count(feature))
 					m_errorReporter.warning(_pragma.location(), "Experimental features are turned on. Do not use experimental features on live deployments.");
 			}
 		}

libsolidity/ast/ExperimentalFeatures.h

@@ -21,6 +21,7 @@
 #pragma once
 
 #include <map>
+#include <set>
 
 namespace dev
 {
@@ -35,10 +36,11 @@ enum class ExperimentalFeature
 	TestOnlyAnalysis
 };
 
-static std::map<ExperimentalFeature, bool> const ExperimentalFeatureOnlyAnalysis =
+static std::set<ExperimentalFeature> const ExperimentalFeatureWithoutWarning =
 {
-	{ ExperimentalFeature::SMTChecker, true },
-	{ ExperimentalFeature::TestOnlyAnalysis, true },
+	ExperimentalFeature::ABIEncoderV2,
+	ExperimentalFeature::SMTChecker,
+	ExperimentalFeature::TestOnlyAnalysis,
 };
 
 static std::map<std::string, ExperimentalFeature> const ExperimentalFeatureNames =

libsolidity/interface/CompilerStack.cpp

@@ -982,7 +982,7 @@ namespace
 bool onlySafeExperimentalFeaturesActivated(set<ExperimentalFeature> const& features)
 {
 	for (auto const feature: features)
-		if (!ExperimentalFeatureOnlyAnalysis.count(feature))
+		if (!ExperimentalFeatureWithoutWarning.count(feature))
 			return false;
 	return true;
 }