C++ ObjC++ Var(warn_ecpp)
Warn about violations of Effective C++ style rules
+Wempty-body
+C ObjC C++ ObjC++ Var(warn_empty_body) Init(-1)
+Warn about an empty body in an if or else statement
+
Wendif-labels
C ObjC C++ ObjC++
Warn about stray tokens after #elif and #endif