Provide target EVM version in CompilerContext.

libsolidity/codegen/Compiler.h

@@ -22,10 +22,13 @@
 
 #pragma once
 
+#include <libsolidity/codegen/CompilerContext.h>
+#include <libsolidity/interface/EVMVersion.h>
+
+#include <libevmasm/Assembly.h>
+
 #include <ostream>
 #include <functional>
-#include <libsolidity/codegen/CompilerContext.h>
-#include <libevmasm/Assembly.h>
 
 namespace dev {
 namespace solidity {
@@ -33,11 +36,11 @@ namespace solidity {
 class Compiler
 {
 public:
-	explicit Compiler(bool _optimize = false, unsigned _runs = 200):
+	explicit Compiler(EVMVersion _evmVersion = EVMVersion{}, bool _optimize = false, unsigned _runs = 200):
 		m_optimize(_optimize),
 		m_optimizeRuns(_runs),
-		m_runtimeContext(),
-		m_context(&m_runtimeContext)
+		m_runtimeContext(_evmVersion),
+		m_context(_evmVersion, &m_runtimeContext)
 	{ }
 
 	/// Compiles a contract.

libsolidity/codegen/CompilerContext.h

@@ -24,6 +24,8 @@
 
 #include <libsolidity/codegen/ABIFunctions.h>
 
+#include <libsolidity/interface/EVMVersion.h>
+
 #include <libsolidity/ast/ASTForward.h>
 #include <libsolidity/ast/Types.h>
 #include <libsolidity/ast/ASTAnnotations.h>
@@ -50,14 +52,17 @@ namespace solidity {
 class CompilerContext
 {
 public:
-	explicit CompilerContext(CompilerContext* _runtimeContext = nullptr):
+	explicit CompilerContext(EVMVersion _evmVersion = EVMVersion{}, CompilerContext* _runtimeContext = nullptr):
 		m_asm(std::make_shared<eth::Assembly>()),
+		m_evmVersion(_evmVersion),
 		m_runtimeContext(_runtimeContext)
 	{
 		if (m_runtimeContext)
 			m_runtimeSub = size_t(m_asm->newSub(m_runtimeContext->m_asm).data());
 	}
 
+	EVMVersion const& evmVersion() const { return m_evmVersion; }
+
 	/// Update currently enabled set of experimental features.
 	void setExperimentalFeatures(std::set<ExperimentalFeature> const& _features) { m_experimentalFeatures = _features; }
 	/// @returns true if the given feature is enabled.
@@ -287,6 +292,8 @@ private:
 	} m_functionCompilationQueue;
 
 	eth::AssemblyPointer m_asm;
+	/// Version of the EVM to compile against.
+	EVMVersion m_evmVersion;
 	/// Activated experimental features.
 	std::set<ExperimentalFeature> m_experimentalFeatures;
 	/// Other already compiled contracts to be used in contract creation calls.

libsolidity/codegen/ContractCompiler.h

@@ -43,7 +43,7 @@ public:
 		m_runtimeCompiler(_runtimeCompiler),
 		m_context(_context)
 	{
-		m_context = CompilerContext(_runtimeCompiler ? &_runtimeCompiler->m_context : nullptr);
+		m_context = CompilerContext(_context.evmVersion(), _runtimeCompiler ? &_runtimeCompiler->m_context : nullptr);
 	}
 
 	void compileContract(