Mark to places fall-through

libsolidity/codegen/CompilerUtils.cpp

@@ -829,6 +829,7 @@ void CompilerUtils::convertType(
 			break;
 		}
 	}
+	// fall-through
 	default:
 		// All other types should not be convertible to non-equal types.
 		solAssert(_typeOnStack == _targetType, "Invalid type conversion requested.");

libsolidity/codegen/ExpressionCompiler.cpp

@@ -1047,6 +1047,7 @@ bool ExpressionCompiler::visit(MemberAccess const& _memberAccess)
 		if (!alsoSearchInteger)
 			break;
 	}
+	// fall-through
 	case Type::Category::Integer:
 		if (member == "balance")
 		{