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
if (!checkValue(PREF_CODEGEN_TARGET_PLATFORM, VERSION_1_4)) {
				status.setError(JavaUIMessages.getString("CompilerConfigurationBlock.src14tgt14.error")); 
				return status;
			}
		}
		return status;
	}
	
	private IStatus validateMaxNumberProblems() {
		String number= (String) fWorkingValues.get(PREF_PB_MAX_PER_UNIT);
		StatusInfo status= new StatusInfo();
		if (number.length() == 0) {
			status.setError(JavaUIMessages.getString("CompilerConfigurationBlock.empty_input")); 
		} else {
			try {
				int value= Integer.parseInt(number);
				if (value <= 0) {
					status.setError(JavaUIMessages.getFormattedString("CompilerConfigurationBlock.invalid_input", number)); 
				}
			} catch (NumberFormatException e) {
				status.setError(JavaUIMessages.getFormattedString("CompilerConfigurationBlock.invalid_input", number)); 
			}
		}
		return status;
	}
	
	private IStatus validateResourceFilters() {
		String text= (String) fWorkingValues.get(PREF_RESOURCE_FILTER);
		
		IWorkspace workspace= ResourcesPlugin.getWorkspace();