From 45221ccc4ed643e4209b0cc5798e97203f108fa8 Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Thu, 18 Oct 2018 10:35:37 -0700
Subject: Export of internal Abseil changes. --
 f6241e6923d4d1525d3ec54bc5b85178b18612e9 by Derek Mauro <dmauro@google.com>:

Make implicit_cast constexpr.
GitHub #191

PiperOrigin-RevId: 217726953
GitOrigin-RevId: f6241e6923d4d1525d3ec54bc5b85178b18612e9
Change-Id: I46e4d92cbd54a38bfe5faeb939cf19d871d8b697
---
 absl/base/casts.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/absl/base/casts.h b/absl/base/casts.h
index 20fd34da..1eef6a61 100644
--- a/absl/base/casts.h
+++ b/absl/base/casts.h
@@ -105,7 +105,7 @@ struct is_bitcastable
 //
 // Such implicit cast chaining may be useful within template logic.
 template <typename To>
-inline To implicit_cast(typename absl::internal::identity_t<To> to) {
+constexpr To implicit_cast(typename absl::internal::identity_t<To> to) {
   return to;
 }
 
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