Sync upb (#6577)

* Sync upb

* https://github.com/protocolbuffers/upb/pull/208

* Fix php c extension compiling

Don't use macros defined by upb

* Update ruby conformance failure list

conformance/failure_list_ruby.txt

@@ -102,8 +102,6 @@ Required.Proto3.JsonInput.OptionalInt64Wrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalStringWrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalUint32Wrapper.JsonOutput
 Required.Proto3.JsonInput.OptionalUint64Wrapper.JsonOutput
-Required.Proto3.JsonInput.OptionalWrapperTypesWithNonDefaultValue.JsonOutput
-Required.Proto3.JsonInput.OptionalWrapperTypesWithNonDefaultValue.ProtobufOutput
 Required.Proto3.JsonInput.RejectTopLevelNull
 Required.Proto3.JsonInput.RepeatedBoolWrapper.JsonOutput
 Required.Proto3.JsonInput.RepeatedBytesWrapper.JsonOutput

php/ext/google/protobuf/encode_decode.c

@@ -47,8 +47,8 @@ size_t stringsink_string(void *_sink, const void *hd, const char *ptr,
   stringsink *sink = _sink;
   size_t new_size = sink->size;
 
-  UPB_UNUSED(hd);
-  UPB_UNUSED(handle);
+  PHP_PROTO_UNUSED(hd);
+  PHP_PROTO_UNUSED(handle);
 
   while (sink->len + len > new_size) {
     new_size *= 2;
@@ -243,7 +243,7 @@ DEFINE_APPEND_HANDLER(double, double)
 static void* appendstr_handler(void *closure,
                                const void *hd,
                                size_t size_hint) {
-  UPB_UNUSED(hd);
+  PHP_PROTO_UNUSED(hd);
 
   stringfields_parseframe_t* frame =
       (stringfields_parseframe_t*)malloc(sizeof(stringfields_parseframe_t));
@@ -354,7 +354,7 @@ static void new_php_string(zval* value_ptr, const char* str, size_t len) {
 static void* str_handler(void *closure,
                          const void *hd,
                          size_t size_hint) {
-  UPB_UNUSED(hd);
+  PHP_PROTO_UNUSED(hd);
 
   stringfields_parseframe_t* frame =
       (stringfields_parseframe_t*)malloc(sizeof(stringfields_parseframe_t));
@@ -763,7 +763,7 @@ static bool oneofstr_end_handler(void *closure, const void *hd) {
 static void *oneofstr_handler(void *closure,
                               const void *hd,
                               size_t size_hint) {
-  UPB_UNUSED(hd);
+  PHP_PROTO_UNUSED(hd);
 
   stringfields_parseframe_t* frame =
       (stringfields_parseframe_t*)malloc(sizeof(stringfields_parseframe_t));
@@ -1093,7 +1093,7 @@ static void putmap(zval* map, const upb_fielddef* f, upb_sink sink,
 static upb_selector_t getsel(const upb_fielddef* f, upb_handlertype_t type) {
   upb_selector_t ret;
   bool ok = upb_handlers_getselector(f, type, &ret);
-  UPB_ASSERT(ok);
+  PHP_PROTO_ASSERT(ok);
   return ret;
 }
 

php/ext/google/protobuf/protobuf.h

@@ -46,6 +46,15 @@
 #define ARRAY_SIZE(x) \
     ((sizeof(x)/sizeof(0[x])) / ((size_t)(!(sizeof(x) % sizeof(0[x])))))
 
+#define PHP_PROTO_UNUSED(var) (void)var
+/* PHP_PROTO_ASSERT(): in release mode, we use the expression without letting
+ * it be evaluated.  This prevents "unused variable" warnings. */
+#ifdef NDEBUG
+#define PHP_PROTO_ASSERT(expr) do {} while (false && (expr))
+#else
+#define PHP_PROTO_ASSERT(expr) assert(expr)
+#endif
+
 // -----------------------------------------------------------------------------
 // PHP7 Wrappers
 // ----------------------------------------------------------------------------