134 lines
1.5 KiB
Diff
134 lines
1.5 KiB
Diff
From d81b77352f66acde60db1b056b8eb3321b7b55fe Mon Sep 17 00:00:00 2001
|
|
From: Tony Cook <tony@develop-help.com>
|
|
Date: Wed, 6 Feb 2019 10:37:58 +1100
|
|
Subject: [PATCH] (perl #133778) adjust MARK if we extend the stack in
|
|
pp_repeat
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
for a list repeat in scalar/void context
|
|
|
|
Signed-off-by: Petr Písař <ppisar@redhat.com>
|
|
---
|
|
pp.c | 3 +-
|
|
t/op/repeat.t | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++-
|
|
2 files changed, 85 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/pp.c b/pp.c
|
|
index 5965f1adc0..77dddcb8b3 100644
|
|
--- a/pp.c
|
|
+++ b/pp.c
|
|
@@ -1694,7 +1694,8 @@ PP(pp_repeat)
|
|
else {
|
|
dTOPss;
|
|
ASSUME(MARK + 1 == SP);
|
|
- XPUSHs(sv);
|
|
+ MEXTEND(SP, 1);
|
|
+ PUSHs(sv);
|
|
MARK[1] = &PL_sv_undef;
|
|
}
|
|
SP = MARK + 2;
|
|
diff --git a/t/op/repeat.t b/t/op/repeat.t
|
|
index 978916689b..fa7ce06904 100644
|
|
--- a/t/op/repeat.t
|
|
+++ b/t/op/repeat.t
|
|
@@ -6,7 +6,7 @@ BEGIN {
|
|
set_up_inc( '../lib' );
|
|
}
|
|
|
|
-plan(tests => 49);
|
|
+plan(tests => 50);
|
|
|
|
# compile time
|
|
|
|
@@ -192,3 +192,85 @@ fresh_perl_like(
|
|
|
|
eval q{() = (() or ((0) x 0)); 1};
|
|
is($@, "", "RT #130247");
|
|
+
|
|
+# yes, the newlines matter
|
|
+fresh_perl_is(<<'PERL', "", { stderr => 1 }, "(perl #133778) MARK mishandling");
|
|
+map{s[][];eval;0}<DATA>__END__
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+()x0
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+
|
|
+0
|
|
+PERL
|
|
--
|
|
2.20.1
|
|
|