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Demonstrate can't goto into optimized-away construct #23818

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Merged
merged 1 commit into from
Oct 20, 2025
Merged

Demonstrate can't goto into optimized-away construct #23818

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16 changes: 15 additions & 1 deletion t/op/goto.t
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ BEGIN {
use warnings;
use strict;
use Config;
plan tests => 96;
plan tests => 97;

our $TODO;

Expand Down Expand Up @@ -691,3 +691,17 @@ is $@,'', 'goto the first parameter of a binary expression [perl #132854]';
GH23806skip:
is $x, "good", "goto EXPR exempt from 'looks like a function' rule";
}

# [GH #23810]
{
local $@;
eval {
goto GH23810;
if (0) {
GH23810: ;
}
};
like($@, qr/^Can't find label GH23810/,
"goto LABEL can't be used to go into a construct that is optimized away");
}

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