From 06c2ddfd5017b310f5de732a0132491d236f8359 Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Tue, 12 Sep 2017 00:21:54 +0100
Subject: [PATCH] Add experimental feature 'v0.5.0'

---
 Changelog.md                           | 1 +
 libsolidity/ast/ExperimentalFeatures.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Changelog.md b/Changelog.md
index d5f27e539..d0d4d8dfa 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,6 +1,7 @@
 ### 0.4.17 (unreleased)
 
 Features:
+ * Support ``pragma experimental v0.5.0;`` to turn on upcoming breaking changes.
  * Code Generator: Added ``.selector`` member on external function types to retrieve their signature.
  * Optimizer: Add new optimization step to remove unused ``JUMPDEST``s.
  * Type Checker: Display helpful warning for unused function arguments/return parameters.
diff --git a/libsolidity/ast/ExperimentalFeatures.h b/libsolidity/ast/ExperimentalFeatures.h
index 2c0896712..3ecfac7bf 100644
--- a/libsolidity/ast/ExperimentalFeatures.h
+++ b/libsolidity/ast/ExperimentalFeatures.h
@@ -31,6 +31,7 @@ enum class ExperimentalFeature
 {
 	SMTChecker,
 	ABIEncoderV2, // new ABI encoder that makes use of JULIA
+	V050, // v0.5.0 breaking changes
 	Test,
 	TestOnlyAnalysis
 };
@@ -45,6 +46,7 @@ static const std::map<std::string, ExperimentalFeature> ExperimentalFeatureNames
 {
 	{ "SMTChecker", ExperimentalFeature::SMTChecker },
 	{ "ABIEncoderV2", ExperimentalFeature::ABIEncoderV2 },
+	{ "v0.5.0", ExperimentalFeature::V050 },
 	{ "__test", ExperimentalFeature::Test },
 	{ "__testOnlyAnalysis", ExperimentalFeature::TestOnlyAnalysis },
 };