From 977d887a4ea9ae82182d6c26b2114a0fb0cade72 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <viz@fb.com>
Date: Tue, 13 Jun 2023 12:28:44 +0300
Subject: [PATCH] Suppress a bogus warning

---
 include/fmt/format.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index 3bba5c59c3f0..30ab89973127 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -83,7 +83,7 @@
 #  if FMT_CPLUSPLUS >= 202002L
 #    if FMT_HAS_CPP_ATTRIBUTE(no_unique_address)
 #      define FMT_NO_UNIQUE_ADDRESS [[no_unique_address]]
-#    elif FMT_MSC_VERSION >= 1929 // VS2019 v16.10 and later
+#    elif FMT_MSC_VERSION >= 1929  // VS2019 v16.10 and later
 #      define FMT_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
 #    endif
 #  else
@@ -953,6 +953,8 @@ class basic_memory_buffer final : public detail::buffer<T> {
     T* old_data = this->data();
     T* new_data =
         std::allocator_traits<Allocator>::allocate(alloc_, new_capacity);
+    // Suppress a bogus -Wstringop-overflow in gcc 13.1 (#3481).
+    FMT_ASSERT(this->size() <= new_capacity, "");
     // The following code doesn't throw, so the raw pointer above doesn't leak.
     std::uninitialized_copy(old_data, old_data + this->size(),
                             detail::make_checked(new_data, new_capacity));