Bug 26641 No option to disable "Assignment ... has no effect"
2.1 M3 I am missing an option to disable the compiler warning upon assigning a variable to itself...
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerConfigurationBlock.java
fShell= parent.getShell();
		
		TabFolder folder= new TabFolder(parent, SWT.NONE);
		folder.setLayout(new TabFolderLayout());	
		folder.setLayoutData(new GridData(GridData.FILL_BOTH));
		
		Composite warningsComposite= createWarningsTabContent(folder);
		Composite markersComposite= createMarkersTabContent(folder);
		Composite codeGenComposite= createCodeGenTabContent(folder);
		Composite complianceComposite= createComplianceTabContent(folder);
		Composite othersComposite= createOthersTabContent(folder);
		TabItem item= new TabItem(folder, SWT.NONE);
		item.setText(JavaUIMessages.getString("CompilerConfigurationBlock.warnings.tabtitle")); 
		item.setControl(warningsComposite);
		item= new TabItem(folder, SWT.NONE);
		item.setText(JavaUIMessages.getString("CompilerConfigurationBlock.markers.tabtitle")); 
		item.setControl(markersComposite);
	
		item= new TabItem(folder, SWT.NONE);
		item.setText(JavaUIMessages.getString("CompilerConfigurationBlock.generation.tabtitle")); 
		item.setControl(codeGenComposite);
		item= new TabItem(folder, SWT.NONE);
		item.setText(JavaUIMessages.getString("CompilerConfigurationBlock.compliance.tabtitle")); 
		item.setControl(complianceComposite);
		
		item= new TabItem(folder, SWT.NONE);
		item.setText(JavaUIMessages.getString("CompilerConfigurationBlock.others.tabtitle")); 
		item.setControl(othersComposite);		
		
		validateSettings(null, null);