Warnings fixes.

Make Mix work with Qt 5.2
Minor other alterations.

libevmcore/Assembly.cpp

@@ -391,9 +391,9 @@ Assembly& Assembly::optimise(bool _enable)
 				if (matches(vr, &r.first))
 				{
 					auto rw = r.second(vr);
-					unsigned const vrSize = bytesRequiredBySlice(vr.begin(), vr.end());
-					unsigned const rwSize = bytesRequiredBySlice(rw.begin(), rw.end());
-					if (rwSize < vrSize || (rwSize == vrSize && popCountIncreased(vr, rw)))
+					unsigned const vrSizeInBytes = bytesRequiredBySlice(vr.begin(), vr.end());
+					unsigned const rwSizeInBytes = bytesRequiredBySlice(rw.begin(), rw.end());
+					if (rwSizeInBytes < vrSizeInBytes || (rwSizeInBytes == vrSizeInBytes && popCountIncreased(vr, rw)))
 					{
 						copt << vr << "matches" << AssemblyItemsConstRef(&r.first) << "becomes...";
 						copt << AssemblyItemsConstRef(&rw);

libsolidity/Types.h

@@ -387,6 +387,9 @@ public:
 protected:
 	virtual TypePointer binaryOperatorResultImpl(Token::Value _operator, TypePointer const& _this, TypePointer const& _other) const override
 	{
+		(void)_operator;
+		(void)_this;
+		(void)_other;
 		return TypePointer();
 	}
 };

mix/AssemblyDebuggerModel.cpp

@@ -74,7 +74,6 @@ DebuggingContent AssemblyDebuggerModel::executeTransaction(bytesConstRef const&
 
 	execution.go(onOp);
 	execution.finalize();
-	m_executiveState.completeMine();
 
 	DebuggingContent d;
 	d.returnValue = execution.out().toVector();

mix/qml/StateDialog.qml

@@ -1,5 +1,5 @@
 import QtQuick 2.2
-import QtQuick.Controls 1.2
+import QtQuick.Controls 1.1
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.0
 

mix/qml/StateList.qml

@@ -1,7 +1,7 @@
 import QtQuick 2.2
-import QtQuick.Controls.Styles 1.2
-import QtQuick.Controls 1.2
-import QtQuick.Dialogs 1.2
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Controls 1.1
+import QtQuick.Dialogs 1.1
 import QtQuick.Layouts 1.1
 
 Rectangle {

mix/qml/TransactionDialog.qml

@@ -1,5 +1,5 @@
 import QtQuick 2.2
-import QtQuick.Controls 1.2
+import QtQuick.Controls 1.1
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.0
 

mix/qml/main.qml

@@ -1,6 +1,6 @@
 import QtQuick 2.2
-import QtQuick.Controls 1.2
-import QtQuick.Controls.Styles 1.2
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
 import QtQuick.Dialogs 1.1
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.1