ssfmalloc tests: Port to macOS 11

[Bruno Haible]

It is being reported that the memory pagesize on macOS 11/arm64 is 16 KiB.
See <https://www.winehq.org/pipermail/wine-devel/2020-August/171857.html>.


2020-11-27  Bruno Haible  <bruno@clisp.org>

        ssfmalloc tests: Port to macOS 11.
        * tests/test-ssfmalloc.c (PAGESIZE_MAX): Set to 16384, not 8192.

diff --git a/tests/test-ssfmalloc.c b/tests/test-ssfmalloc.c
index 86fa42b..397fa98 100644
--- a/tests/test-ssfmalloc.c
+++ b/tests/test-ssfmalloc.c
@@ -124,12 +124,12 @@ free_pages (uintptr_t pages, size_t size)
 /* ======================= Instantiate the front end ======================= */
 
 #define PAGESIZE pagesize
-/* On Cygwin and Linux/PowerPC, PAGESIZE is 65536.  On all other platforms, it
-   is either 4096 or 8192.  */
+/* On Cygwin and Linux/PowerPC, PAGESIZE is 65536.  On macOS 11, it is 16384.
+   On all other platforms, it is either 4096 or 8192.  */
 #if defined __CYGWIN__ || (defined __linux__ && defined __powerpc__)
 # define PAGESIZE_MAX 65536
 #else
-# define PAGESIZE_MAX 8192
+# define PAGESIZE_MAX 16384
 #endif
 
 #define ALLOC_PAGES alloc_pages