Attempt to fix build php#9087 on macOs intel.

Disable long 64 bits support and disable zend_string_equal_val assembly
implementation then as instructions are not longer understood.

Author: devnexen

Zend/zend_long.h

@@ -23,7 +23,7 @@
 #include <stdint.h>
 
 /* This is the heart of the whole int64 enablement in zval. */
-#if defined(__x86_64__) || defined(__LP64__) || defined(_LP64) || defined(_WIN64)
+#if !defined(__APPLE__) && (defined(__x86_64__) || defined(__LP64__) || defined(_LP64) || defined(_WIN64))
 # define ZEND_ENABLE_ZVAL_LONG64 1
 #endif
 

Zend/zend_string.c

@@ -375,6 +375,7 @@ ZEND_API bool ZEND_FASTCALL I_REPLACE_SONAME_FNNAME_ZU(NONE,zend_string_equal_va
 	return !memcmp(ZSTR_VAL(s1), ZSTR_VAL(s2), ZSTR_LEN(s1));
 }
 
+#if !defined(__APPLE__)
 #if defined(__GNUC__) && defined(__i386__)
 ZEND_API bool ZEND_FASTCALL zend_string_equal_val(const zend_string *s1, const zend_string *s2)
 {
@@ -451,6 +452,7 @@ ZEND_API bool ZEND_FASTCALL zend_string_equal_val(const zend_string *s1, const z
 	return ret;
 }
 #endif
+#endif
 
 ZEND_API zend_string *zend_string_concat2(
 		const char *str1, size_t str1_len,

Zend/zend_string.h

@@ -344,7 +344,7 @@ static zend_always_inline bool zend_string_equals_cstr(const zend_string *s1, co
 	return ZSTR_LEN(s1) == s2_length && !memcmp(ZSTR_VAL(s1), s2, s2_length);
 }
 
-#if defined(__GNUC__) && (defined(__i386__) || (defined(__x86_64__) && !defined(__ILP32__)))
+#if defined(__GNUC__) && !defined(__APPLE__) && (defined(__i386__) || (defined(__x86_64__) && !defined(__ILP32__)))
 BEGIN_EXTERN_C()
 ZEND_API bool ZEND_FASTCALL zend_string_equal_val(const zend_string *s1, const zend_string *s2);
 END_EXTERN_C()