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
gd= new GridData(GridData.FILL);
		gd.horizontalSpan= 2;
		gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(60);
		description.setLayoutData(gd);
		
		label= JavaUIMessages.getString("CompilerConfigurationBlock.resource_filter.label"); 
		Text text= addTextField(othersComposite, label, PREF_RESOURCE_FILTER);
		gd= (GridData) text.getLayoutData();
		gd.grabExcessHorizontalSpace= true;
		gd.widthHint= fPixelConverter.convertWidthInCharsToPixels(10);
		
		return othersComposite;
	}
	private Composite createWarningsTabContent(Composite folder) {
		String[] errorWarningIgnore= new String[] { ERROR, WARNING, IGNORE };
		
		String[] errorWarningIgnoreLabels= new String[] {
			JavaUIMessages.getString("CompilerConfigurationBlock.error"),  
			JavaUIMessages.getString("CompilerConfigurationBlock.warning"), 
			JavaUIMessages.getString("CompilerConfigurationBlock.ignore") 
		};
			
		GridLayout layout= new GridLayout();
		layout.numColumns= 2;
		layout.verticalSpacing= 2;
		Composite warningsComposite= new Composite(folder, SWT.NULL);
		warningsComposite.setLayout(layout);
		Label description= new Label(warningsComposite, SWT.WRAP);
		description.setText(JavaUIMessages.getString("CompilerConfigurationBlock.warnings.description")); 
		GridData gd= new GridData();