[glib/glib-2-56: 2/3] gvariant test: Also force alignment for tuple test data

[Simon McVittie <smcv src gnome org>]

commit 4ef58e5661849317a1110c9b93957f2c608677dd
Author: Simon McVittie <smcv collabora com>
Date:   Thu Jan 3 08:21:40 2019 +0000

    gvariant test: Also force alignment for tuple test data
    
    glib!552 (commit 9eed22b3) fixed this for the tests that failed on i686,
    but this additional test failed on Debian's s390x port
    (IBM z/Architecture, 64-bit big-endian).
    
    Signed-off-by: Simon McVittie <smcv collabora com>

 glib/tests/gvariant.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/glib/tests/gvariant.c b/glib/tests/gvariant.c
index a7b19826d..c4a996c1f 100644
--- a/glib/tests/gvariant.c
+++ b/glib/tests/gvariant.c
@@ -4820,6 +4820,7 @@ test_normal_checking_array_offsets (void)
 static void
 test_normal_checking_tuple_offsets (void)
 {
+  gpointer aligned_data;
   const guint8 data[] = {
     0x07, 0xe5, 0x00, 0x07, 0x00, 0x07,
     '(', 'a', 's', 'a', 's', 'a', 's', 'a', 's', 'a', 's', 'a', 's', ')',
@@ -4828,13 +4829,15 @@ test_normal_checking_tuple_offsets (void)
   GVariant *variant = NULL;
   GVariant *normal_variant = NULL;
 
-  variant = g_variant_new_from_data (G_VARIANT_TYPE_VARIANT, data, size,
-                                     FALSE, NULL, NULL);
+  aligned_data = g_memdup (data, size); /* guarantee alignment */
+  variant = g_variant_new_from_data (G_VARIANT_TYPE_VARIANT, aligned_data,
+                                     size, FALSE, NULL, NULL);
   g_assert_nonnull (variant);
 
   normal_variant = g_variant_get_normal_form (variant);
   g_assert_nonnull (normal_variant);
 
+  g_free (aligned_data);
   g_variant_unref (normal_variant);
   g_variant_unref (variant);
 }