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don't blame $x if reftype($x)/refaddr($x) is undef #23593

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Merged
mauke merged 1 commit into from
Aug 18, 2025
Merged

don't blame $x if reftype($x)/refaddr($x) is undef #23593

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2 changes: 2 additions & 0 deletions sv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17532,6 +17532,8 @@ S_find_uninit_var(pTHX_ const OP *const obase, const SV *const uninit_sv,
case OP_SYSOPEN:
case OP_SYSSEEK:
case OP_SPLICE: /* scalar splice(@x, $i, 0) ==> undef */
case OP_REFADDR:
case OP_REFTYPE:
match = 1;
goto do_op;

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9 changes: 9 additions & 0 deletions t/lib/warnings/9uninit
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Expand Up @@ -2303,3 +2303,12 @@ Use of uninitialized value shift(@ARGV) in lc at - line 26.
Use of uninitialized value shift() in lc at - line 27.
Use of uninitialized value pop(@ARGV) in lc at - line 28.
Use of uninitialized value pop() in lc at - line 29.
########
# GH #19273
use warnings 'uninitialized';
my $x = 'fine';
$_ = builtin::refaddr($x) == 1;
$_ = builtin::reftype($x) eq '';
EXPECT
Use of uninitialized value in numeric eq (==) at - line 4.
Use of uninitialized value in string eq at - line 5.
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