From e3ff089249a31765c23faaf9d8019b7889dd0c58 Mon Sep 17 00:00:00 2001
From: Richard Levitte <levitte@openssl.org>
Date: Thu, 3 Sep 2015 19:41:40 +0200
Subject: [PATCH] Small fix in OpenSSL::Test

Be careful when shifting in a function argument, you end up changing
the caller's value.  Instead, when it is an array, make a shallow copy
and shift in that instead.

Reviewed-by: Rich Salz <rsalz@openssl.org>
---
 test/testlib/OpenSSL/Test.pm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/testlib/OpenSSL/Test.pm b/test/testlib/OpenSSL/Test.pm
index 83d7acc8b7..f378351f65 100644
--- a/test/testlib/OpenSSL/Test.pm
+++ b/test/testlib/OpenSSL/Test.pm
@@ -695,8 +695,10 @@ sub __build_cmd {
 
     my $num = shift;
     my $path_builder = shift;
-    my $cmd = __fixup_cmd($path_builder->(shift @{$_[0]}));
-    my @args = @{$_[0]}; shift;
+    # Make a copy to not destroy the caller's array
+    my @cmdarray = ( @{$_[0]} ); shift;
+    my $cmd = __fixup_cmd($path_builder->(shift @cmdarray));
+    my @args = @cmdarray;
     my %opts = @_;
 
     return () if !$cmd;
-- 
2.25.1