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perl.c AOK
gv_check(defstash)
Name \"%s::%s\" used only once: possible typo
Mandatory Warnings All TODO
------------------
Recompile perl with -DDEBUGGING to use -D switch [moreswitches]
Unbalanced scopes: %ld more ENTERs than LEAVEs [perl_destruct]
Unbalanced saves: %ld more saves than restores [perl_destruct]
Unbalanced tmps: %ld more allocs than frees [perl_destruct]
Unbalanced context: %ld more PUSHes than POPs [perl_destruct]
Unbalanced string table refcount: (%d) for \"%s\" [perl_destruct]
Scalars leaked: %ld [perl_destruct]
__END__
# perl.c
no warnings 'once' ;
$x = 3 ;
use warnings 'once' ;
$z = 3 ;
EXPECT
Name "main::z" used only once: possible typo at - line 5.
########
-w
# perl.c
$x = 3 ;
no warnings 'once' ;
$z = 3
EXPECT
Name "main::x" used only once: possible typo at - line 3.
########
# perl.c
BEGIN { $^W =1 ; }
$x = 3 ;
no warnings 'once' ;
$z = 3
EXPECT
Name "main::x" used only once: possible typo at - line 3.
########
-W
# perl.c
no warnings 'once' ;
$x = 3 ;
use warnings 'once' ;
$z = 3 ;
EXPECT
Name "main::x" used only once: possible typo at - line 4.
Name "main::z" used only once: possible typo at - line 6.
########
-X
# perl.c
use warnings 'once' ;
$x = 3 ;
EXPECT
########
# perl.c
{ use warnings 'once' ; $x = 3 ; }
$y = 3 ;
EXPECT
Name "main::x" used only once: possible typo at - line 3.
########
# perl.c
$z = 3 ;
BEGIN { $^W = 1 }
{ no warnings 'once' ; $x = 3 ; }
$y = 3 ;
EXPECT
Name "main::y" used only once: possible typo at - line 6.
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