tests: Fix sanitizer version check on old Apple clang

See #669.

Author: nwellnhof

libxml.h

@@ -55,7 +55,8 @@
 #endif
 
 #ifdef __clang__
-  #if __clang_major__ >= 12
+  #if (!defined(__apple_build_version__) && __clang_major__ >= 12) || \
+      (defined(__apple_build_version__) && __clang_major__ >= 13)
     #define ATTRIBUTE_NO_SANITIZE_INTEGER \
       ATTRIBUTE_NO_SANITIZE("unsigned-integer-overflow") \
       ATTRIBUTE_NO_SANITIZE("unsigned-shift-base")

testdict.c

@@ -1,3 +1,5 @@
+#include "libxml.h"
+
 #include <stdlib.h>
 #include <string.h>
 #include <libxml/parser.h>
@@ -6,19 +8,6 @@
 
 /**** dictionary tests ****/
 
-#ifdef __clang__
-  #if __clang_major__ >= 12
-    #define ATTRIBUTE_NO_SANITIZE_INTEGER \
-      __attribute__ ((no_sanitize("unsigned-integer-overflow"))) \
-      __attribute__ ((no_sanitize("unsigned-shift-base")))
-  #else
-    #define ATTRIBUTE_NO_SANITIZE_INTEGER \
-      __attribute__ ((no_sanitize("unsigned-integer-overflow")))
-  #endif
-#else
-  #define ATTRIBUTE_NO_SANITIZE_INTEGER
-#endif
-
 /* #define WITH_PRINT */
 
 static const char *seeds1[] = {