From aa1e7748895781347df5c162032d79956efc8759 Mon Sep 17 00:00:00 2001
From: HedgehogInTheCPP <a.rainman@gmail.com>
Date: Tue, 25 Aug 2026 22:58:06 +0300
Subject: [PATCH] Improvements detection of features, part 16,
 FASTFLOAT_NO_UNIQUE_ADDRESS

---
 include/fast_float/bigint.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/fast_float/bigint.h b/include/fast_float/bigint.h
index 0421165..e436d58 100644
--- a/include/fast_float/bigint.h
+++ b/include/fast_float/bigint.h
@@ -39,9 +39,9 @@ constexpr limb_t bigint_limbs = bigint_bits / limb_bits;
 // vector-like type that is allocated on the stack. the entire
 // buffer is pre-allocated, and only the length changes.
 template <limb_t size> struct stackvec {
-  limb data[size];
+  FASTFLOAT_NO_UNIQUE_ADDRESS limb data[size];
   // we never need more than 150 limbs
-  limb_t length{0};
+  FASTFLOAT_NO_UNIQUE_ADDRESS limb_t length{0};
 
   FASTFLOAT_CONSTEXPR20 stackvec() noexcept = default;
   stackvec(stackvec const &) = delete;