37 lines
1.0 KiB
Diff
37 lines
1.0 KiB
Diff
diff -up perl-5.10.0/mg.c.BAD perl-5.10.0/mg.c
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--- perl-5.10.0/mg.c.BAD 2009-03-11 13:10:22.000000000 -0400
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+++ perl-5.10.0/mg.c 2009-03-11 13:08:54.000000000 -0400
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@@ -1543,10 +1543,11 @@ Perl_magic_setisa(pTHX_ SV *sv, MAGIC *m
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stash = GvSTASH(
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SvTYPE(mg->mg_obj) == SVt_PVGV
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? (GV*)mg->mg_obj
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- : (GV*)SvMAGIC(mg->mg_obj)->mg_obj
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+ : (GV*)mg_find(mg->mg_obj, PERL_MAGIC_isa)->mg_obj
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);
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- mro_isa_changed_in(stash);
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+ if (stash)
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+ mro_isa_changed_in(stash);
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return 0;
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}
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--- a/t/mro/pkg_gen.t
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+++ b/t/mro/pkg_gen.t
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@@ -4,7 +4,7 @@ use strict;
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use warnings;
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chdir 't' if -d 't';
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-require q(./test.pl); plan(tests => 6);
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+require q(./test.pl); plan(tests => 7);
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{
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package Foo;
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@@ -34,3 +34,7 @@ is(mro::get_pkg_gen('Foo'), 1, "pkg_gen 1 for undef %Pkg::");
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delete $::{"Foo::"};
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is(mro::get_pkg_gen('Foo'), 0, 'pkg_gen 0 for delete $::{Pkg::}');
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+
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+delete $::{"Quux::"};
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+push @Quux::ISA, "Woot"; # should not segfault
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+ok(1, "No segfault on modification of ISA in a deleted stash");
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