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object: add extra sanity checks 

Type system checked that children class_size >= parent class_size, but
not instances. Fix that.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200110153039.1379601-2-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2020-01-10 19:30:14 +04:00 committed by Paolo Bonzini
parent dd680bf3dd
commit d5e633fc97
1 changed files with 1 additions and 0 deletions
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1
qom/object.c
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@ -307,6 +307,7 @@ static void type_initialize(TypeImpl *ti)
int i;
g_assert(parent->class_size <= ti->class_size);
g_assert(parent->instance_size <= ti->instance_size);
memcpy(ti->class, parent->class, parent->class_size);
ti->class->interfaces = NULL;
ti->class->properties = g_hash_table_new_full(