From 4b551344e6ba3243636d841d5a2d944a20a3a956 Mon Sep 17 00:00:00 2001
From: Thomas Köppe <tkoeppe@google.com>
Date: Thu, 4 Aug 2022 06:14:14 -0700
Subject: Revert change "Fix "unsafe narrowing" warnings in absl, 4/n.".

The change breaks existing code by changing the return type of absl::bit_width.

PiperOrigin-RevId: 465295951
Change-Id: Id4ce7c2ac3699ce22aa2b4851a949f9e0104a3d7
---
 absl/numeric/bits.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'absl/numeric')

diff --git a/absl/numeric/bits.h b/absl/numeric/bits.h
index df81b9a9..628cdf50 100644
--- a/absl/numeric/bits.h
+++ b/absl/numeric/bits.h
@@ -131,9 +131,10 @@ has_single_bit(T x) noexcept {
 // fractional part discarded.
 template <class T>
 ABSL_INTERNAL_CONSTEXPR_CLZ inline
-    typename std::enable_if<std::is_unsigned<T>::value, int>::type
+    typename std::enable_if<std::is_unsigned<T>::value, T>::type
     bit_width(T x) noexcept {
-  return std::numeric_limits<T>::digits - countl_zero(x);
+  return std::numeric_limits<T>::digits -
+         static_cast<unsigned int>(countl_zero(x));
 }
 
 // Returns: If x == 0, 0; otherwise the maximal value y such that
-- 
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