upstream_utils/protobuf_patches/0012-Suppress-stringop-overflow-warning-false-positives.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tyler Veness <calcmogul@gmail.com>
Date: Fri, 10 Nov 2023 14:17:53 -0800
Subject: [PATCH 12/12] Suppress stringop-overflow warning false positives

---
 src/google/protobuf/io/coded_stream.h    | 7 +++++++
 src/google/protobuf/unknown_field_set.cc | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/src/google/protobuf/io/coded_stream.h b/src/google/protobuf/io/coded_stream.h
index 6c0dd4ab4099d1d748957af8bfc5f8c59c2aa3d6..a102cec8ea0b56926f63cf9ece205c634cb6d528 100644
--- a/src/google/protobuf/io/coded_stream.h
+++ b/src/google/protobuf/io/coded_stream.h
@@ -681,7 +681,14 @@ class PROTOBUF_EXPORT EpsCopyOutputStream {
     if (PROTOBUF_PREDICT_FALSE(end_ - ptr < static_cast<int>(size))) {
       return WriteRawFallback(data, size, ptr);
     }
+#if __GNUC__ >= 13
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstringop-overflow="
+#endif  // __GNUC__ >= 13
     std::memcpy(ptr, data, size);
+#if __GNUC__ >= 13
+#pragma GCC diagnostic pop
+#endif  // __GNUC__ >= 13
     return ptr + size;
   }
   // Writes the buffer specified by data, size to the stream. Possibly by
diff --git a/src/google/protobuf/unknown_field_set.cc b/src/google/protobuf/unknown_field_set.cc
index 74c358e9a22c5475bfaef6c5ac63b05fc61b7074..c0587350b309839f3b8b99506d0417a9fd91b06d 100644
--- a/src/google/protobuf/unknown_field_set.cc
+++ b/src/google/protobuf/unknown_field_set.cc
@@ -96,9 +96,16 @@ void UnknownFieldSet::MergeFromAndDestroy(UnknownFieldSet* other) {
   if (fields_.empty()) {
     fields_ = std::move(other->fields_);
   } else {
+#if __GNUC__ >= 13
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstringop-overflow="
+#endif  // __GNUC__ >= 13
     fields_.insert(fields_.end(),
                    std::make_move_iterator(other->fields_.begin()),
                    std::make_move_iterator(other->fields_.end()));
+#if __GNUC__ >= 13
+#pragma GCC diagnostic pop
+#endif  // __GNUC__ >= 13
   }
   other->fields_.clear();
 }