util.c AOK
 
     Illegal octal digit ignored 
	my $a = oct "029" ;

     Illegal hex digit ignored 
	my $a = hex "0xv9" ;

     Illegal binary digit ignored
      my $a = oct "0b9" ;

     
     Mandatory Warnings
     ------------------
     Integer overflow in binary number
     Integer overflow in octal number
     Integer overflow in hex number

__END__
# util.c
use warning 'octal' ;
my $a = oct "029" ;
no warning 'octal' ;
my $a = oct "029" ;
EXPECT
Illegal octal digit '9' ignored at - line 3.
########
# util.c
use warning 'unsafe' ;
*a =  hex "0xv9" ;
no warning 'unsafe' ;
*a =  hex "0xv9" ;
EXPECT
Illegal hex digit 'v' ignored at - line 3.
########
# util.c
use warning 'unsafe' ;
*a =  oct "0b9" ;
no warning 'unsafe' ;
*a =  oct "0b9" ;
EXPECT
Illegal binary digit '9' ignored at - line 3.
########
# util.c
$^W =1 ;
{
  use warning 'unsafe' ;
  my $a = oct "0b111111111111111111111111111111111" ;
  no warning 'unsafe' ;
  $a = oct "0b111111111111111111111111111111111" ;
}
my $a = oct "0b111111111111111111111111111111111" ;
EXPECT
Integer overflow in binary number at - line 5.
Integer overflow in binary number at - line 9.
########
# util.c
$^W =1 ;
{
  use warning 'unsafe' ;
  my $a = oct "777777777777777777777777777777777777" ;
  no warning 'unsafe' ;
  $a = oct "777777777777777777777777777777777777" ;
}
my $a = oct "777777777777777777777777777777777777" ;
EXPECT
Integer overflow in octal number at - line 5.
Integer overflow in octal number at - line 9.
########
# util.c
$^W =1 ;
{
  use warning 'unsafe' ;
  my $a = hex "ffffffffffffffffffffffffffffffff" ;
  no warning 'unsafe' ;
  $a = hex "ffffffffffffffffffffffffffffffff" ;
}
my $a = hex "ffffffffffffffffffffffffffffffff" ;
EXPECT
Integer overflow in hex number at - line 5.
Integer overflow in hex number at - line 9.