From 314adcd40e530d74d26dc362397df80f997e25dc Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Wed, 15 Sep 2021 09:57:36 -0400
Subject: Googletest export

gmock-internal-utils.cc: Use `static_cast` instead of implicit conversion between signed and unsigned types
Fixes #3550

PiperOrigin-RevId: 396826071
---
 googlemock/src/gmock-internal-utils.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/googlemock/src/gmock-internal-utils.cc b/googlemock/src/gmock-internal-utils.cc
index 469eaf7a..7d4ec611 100644
--- a/googlemock/src/gmock-internal-utils.cc
+++ b/googlemock/src/gmock-internal-utils.cc
@@ -211,7 +211,7 @@ constexpr char UnBase64Impl(char c, const char* const base64, char carry) {
 template <size_t... I>
 constexpr std::array<char, 256> UnBase64Impl(IndexSequence<I...>,
                                              const char* const base64) {
-  return {{UnBase64Impl(I, base64, 0)...}};
+  return {{UnBase64Impl(static_cast<char>(I), base64, 0)...}};
 }
 
 constexpr std::array<char, 256> UnBase64(const char* const base64) {
@@ -232,7 +232,7 @@ bool Base64Unescape(const std::string& encoded, std::string* decoded) {
     if (std::isspace(src) || src == '=') {
       continue;
     }
-    char src_bin = kUnBase64[src];
+    char src_bin = kUnBase64[static_cast<size_t>(src)];
     if (src_bin >= 64) {
       decoded->clear();
       return false;
-- 
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