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
}
		} else {
			updateComplianceEnableState();
			fComplianceStatus= validateCompliance();
			fMaxNumberProblemsStatus= validateMaxNumberProblems();
			fResourceFilterStatus= validateResourceFilters();
			fTaskTagsStatus= validateTaskTags();
		}		
		IStatus status= StatusUtil.getMostSevere(new IStatus[] { fComplianceStatus, fMaxNumberProblemsStatus, fResourceFilterStatus, fTaskTagsStatus });
		fContext.statusChanged(status);
	}
	
	private IStatus validateCompliance() {
		StatusInfo status= new StatusInfo();
		if (checkValue(PREF_COMPLIANCE, VERSION_1_3)) {
			if (checkValue(PREF_SOURCE_COMPATIBILITY, VERSION_1_4)) {
				status.setError(JavaUIMessages.getString("CompilerConfigurationBlock.cpl13src14.error")); 
				return status;
			} else if (checkValue(PREF_CODEGEN_TARGET_PLATFORM, VERSION_1_4)) {
				status.setError(JavaUIMessages.getString("CompilerConfigurationBlock.cpl13trg14.error")); 
				return status;
			}
		}
		if (checkValue(PREF_SOURCE_COMPATIBILITY, VERSION_1_4)) {
			if (!checkValue(PREF_PB_ASSERT_AS_IDENTIFIER, ERROR)) {
				status.setError(JavaUIMessages.getString("CompilerConfigurationBlock.src14asrterr.error")); 
				return status;
			}
		}
		if (checkValue(PREF_SOURCE_COMPATIBILITY, VERSION_1_4)) {