Bug 127791 [preferences] new compiler option COMPILER_PB_FALLTHROUGH_CASE
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/ProblemSeveritiesConfigurationBlock.java
label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_pb_char_array_in_concat_label; 
		addComboBox(inner, label, PREF_PB_CHAR_ARRAY_IN_CONCAT, errorWarningIgnore, errorWarningIgnoreLabels, defaultIndent);
		
		label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_pb_hidden_catchblock_label; 
		addComboBox(inner, label, PREF_PB_HIDDEN_CATCH_BLOCK, errorWarningIgnore, errorWarningIgnoreLabels, defaultIndent);
		label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_pb_inexact_vararg_label; 
		addComboBox(inner, label, PREF_15_PB_VARARGS_ARGUMENT_NEED_CAST, errorWarningIgnore, errorWarningIgnoreLabels, defaultIndent);
		label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_pb_autoboxing_problem_label; 
		addComboBox(inner, label, PREF_15_PB_AUTOBOXING_PROBLEM, errorWarningIgnore, errorWarningIgnoreLabels, defaultIndent);
		label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_pb_incomplete_enum_switch_label; 
		addComboBox(inner, label, PREF_15_PB_INCOMPLETE_ENUM_SWITCH, errorWarningIgnore, errorWarningIgnoreLabels, defaultIndent);
		
		label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_pb_null_reference;
		addComboBox(inner, label, PREF_PB_NULL_REFERENCE, errorWarningIgnore, errorWarningIgnoreLabels, defaultIndent);
		
		
		
		label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_section_name_shadowing; 
		excomposite= createStyleSection(composite, label, nColumns);
		
		inner= new Composite(excomposite, SWT.NONE);
		inner.setFont(composite.getFont());
		inner.setLayout(new GridLayout(nColumns, false));
		excomposite.setClient(inner);
		
		label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_pb_field_hiding_label; 
		addComboBox(inner, label, PREF_PB_FIELD_HIDING, errorWarningIgnore, errorWarningIgnoreLabels, defaultIndent);
		label= PreferencesMessages.ProblemSeveritiesConfigurationBlock_pb_local_variable_hiding_label; 
		addComboBox(inner, label, PREF_PB_LOCAL_VARIABLE_HIDING, errorWarningIgnore, errorWarningIgnoreLabels, defaultIndent);