Mandatory Warnings
------------------
- Malformed UTF-8 character
+ Malformed UTF-8 character (not tested: difficult to produce with
+ perl now)
__END__
# pp.c
$_ = "\x80 \xff" ;
reverse ;
EXPECT
-Malformed UTF-8 character at - line 4.
########
# pp.c
BEGIN {
EXPECT
\x80 will produce malformed UTF-8 character; use \x{80} for that at - line 10.
\xff will produce malformed UTF-8 character; use \x{ff} for that at - line 10.
-Malformed UTF-8 character at - line 11.