Add msvc restriction to other failing optimization

protocolbuffers · Jul 30, 2024 · 7fe7949 · 7fe7949
1 parent 1b480d3
commit 7fe7949
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/google/protobuf/parse_context.h b/src/google/protobuf/parse_context.h
@@ -866,7 +866,7 @@ static const char* VarintParseSlowArm(const char* p, uint64_t* out,
 // The caller must ensure that p points to at least 10 valid bytes.
 template <typename T>
 PROTOBUF_NODISCARD const char* VarintParse(const char* p, T* out) {
-#if defined(__aarch64__) && defined(ABSL_IS_LITTLE_ENDIAN)
+#if defined(__aarch64__) && defined(ABSL_IS_LITTLE_ENDIAN) && !defined(_MSC_VER)
   // This optimization is not supported in big endian mode
   uint64_t first8;
   std::memcpy(&first8, p, sizeof(first8));