Victor Zverovich 6b528261ec Fix allocation size overflow in detail::allocator ... allocator<T>::allocate(n) computed n * sizeof(T) with only an FMT_ASSERT guarding against overflow, which is a no-op under NDEBUG. On 32-bit targets a width of 2^30 or more with a 4-byte character type, e.g. fmt::format(L"{:>{}}", s, 1100000000), wraps the byte count around, and basic_memory_buffer records a capacity much larger than the block it got, so padding is written past the end of the allocation. Make the check unconditional and throw std::bad_alloc, as std::allocator did before it was replaced in 11.1.0. Move <new> back to format.h since the header now throws std::bad_alloc.		2026-10-24 10:03:53 -07:00
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fmt	Fix allocation size overflow in detail::allocator	2026-10-24 10:03:53 -07:00