Find cases where a boolean value is incremented or decremented

// UnaryExpr [ getOperationCode() = KTC_OPCODE_PREINC | getOperationCode() = KTC_OPCODE_POSTINC | getOperationCode() = KTC_OPCODE_PREDEC | getOperationCode() = KTC_OPCODE_POSTDEC ] [ Expr.isBoolean() ]

1   int main() {
2       bool bFlag = true;
3       // matches all of the following expressions
4       bFlag++;
5       bFlag--;
6       --bFlag;
7       ++bFlag;
8       return 0;
9   }