vcpkg/ports/qtwebengine/msvc-template.patch

diff --git a/src/3rdparty/chromium/third_party/webrtc/rtc_base/checks.h b/src/3rdparty/chromium/third_party/webrtc/rtc_base/checks.h
index 459c6a5..4bc8da8 100644
--- a/src/3rdparty/chromium/third_party/webrtc/rtc_base/checks.h
+++ b/src/3rdparty/chromium/third_party/webrtc/rtc_base/checks.h
@@ -224,76 +224,27 @@ ToStringVal MakeVal(const T& x) {
 template <typename... Ts>
 class LogStreamer;
 
-// Base case: Before the first << argument.
-template <>
-class LogStreamer<> final {
- public:
-  template <typename U,
-            typename V = decltype(MakeVal(std::declval<U>())),
-            absl::enable_if_t<std::is_arithmetic<U>::value ||
-                              std::is_enum<U>::value>* = nullptr>
-  RTC_FORCE_INLINE LogStreamer<V> operator<<(U arg) const {
-    return LogStreamer<V>(MakeVal(arg), this);
-  }
-
-  template <typename U,
-            typename V = decltype(MakeVal(std::declval<U>())),
-            absl::enable_if_t<!std::is_arithmetic<U>::value &&
-                              !std::is_enum<U>::value>* = nullptr>
-  RTC_FORCE_INLINE LogStreamer<V> operator<<(const U& arg) const {
-    return LogStreamer<V>(MakeVal(arg), this);
-  }
-
-#if RTC_CHECK_MSG_ENABLED
-  template <typename... Us>
-  RTC_NORETURN RTC_FORCE_INLINE static void Call(const char* file,
-                                                 const int line,
-                                                 const char* message,
-                                                 const Us&... args) {
-    static constexpr CheckArgType t[] = {Us::Type()..., CheckArgType::kEnd};
-    FatalLog(file, line, message, t, args.GetVal()...);
-  }
-
-  template <typename... Us>
-  RTC_NORETURN RTC_FORCE_INLINE static void CallCheckOp(const char* file,
-                                                        const int line,
-                                                        const char* message,
-                                                        const Us&... args) {
-    static constexpr CheckArgType t[] = {CheckArgType::kCheckOp, Us::Type()...,
-                                         CheckArgType::kEnd};
-    FatalLog(file, line, message, t, args.GetVal()...);
-  }
-#else
-  template <typename... Us>
-  RTC_NORETURN RTC_FORCE_INLINE static void Call(const char* file,
-                                                 const int line) {
-    FatalLog(file, line);
-  }
-#endif
-};
 
 // Inductive case: We've already seen at least one << argument. The most recent
 // one had type `T`, and the earlier ones had types `Ts`.
 template <typename T, typename... Ts>
 class LogStreamer<T, Ts...> final {
  public:
-  RTC_FORCE_INLINE LogStreamer(T arg, const LogStreamer<Ts...>* prior)
+  RTC_FORCE_INLINE LogStreamer(T arg, const LogStreamer<Ts...> * const prior)
       : arg_(arg), prior_(prior) {}
 
   template <typename U,
-            typename V = decltype(MakeVal(std::declval<U>())),
             absl::enable_if_t<std::is_arithmetic<U>::value ||
                               std::is_enum<U>::value>* = nullptr>
-  RTC_FORCE_INLINE LogStreamer<V, T, Ts...> operator<<(U arg) const {
-    return LogStreamer<V, T, Ts...>(MakeVal(arg), this);
+  RTC_FORCE_INLINE auto operator<<(U arg) const {
+    return LogStreamer<decltype(MakeVal(arg)), T, Ts...>(MakeVal(arg), this);
   }
 
   template <typename U,
-            typename V = decltype(MakeVal(std::declval<U>())),
             absl::enable_if_t<!std::is_arithmetic<U>::value &&
                               !std::is_enum<U>::value>* = nullptr>
-  RTC_FORCE_INLINE LogStreamer<V, T, Ts...> operator<<(const U& arg) const {
-    return LogStreamer<V, T, Ts...>(MakeVal(arg), this);
+  RTC_FORCE_INLINE auto operator<<(const U& arg) const {
+    return LogStreamer<decltype(MakeVal(arg)), T, Ts...>(MakeVal(arg), this);
   }
 
 #if RTC_CHECK_MSG_ENABLED
@@ -328,6 +279,53 @@ class LogStreamer<T, Ts...> final {
   const LogStreamer<Ts...>* prior_;
 };
 
+
+// Base case: Before the first << argument.
+template <>
+class LogStreamer<> final {
+ public:
+  template <typename U,
+            absl::enable_if_t<std::is_arithmetic<U>::value ||
+                              std::is_enum<U>::value>* = nullptr>
+  RTC_FORCE_INLINE auto operator<<(U arg) const {
+    return LogStreamer<decltype(MakeVal(arg))>(MakeVal(arg), this);
+  }
+
+  template <typename U,
+            absl::enable_if_t<!std::is_arithmetic<U>::value &&
+                              !std::is_enum<U>::value>* = nullptr>
+  RTC_FORCE_INLINE auto operator<<(const U& arg) const {
+    return LogStreamer<decltype(MakeVal(arg))>(MakeVal(arg), this);
+  }
+
+#if RTC_CHECK_MSG_ENABLED
+  template <typename... Us>
+  RTC_NORETURN RTC_FORCE_INLINE static void Call(const char* file,
+                                                 const int line,
+                                                 const char* message,
+                                                 const Us&... args) {
+    static constexpr CheckArgType t[] = {Us::Type()..., CheckArgType::kEnd};
+    FatalLog(file, line, message, t, args.GetVal()...);
+  }
+
+  template <typename... Us>
+  RTC_NORETURN RTC_FORCE_INLINE static void CallCheckOp(const char* file,
+                                                        const int line,
+                                                        const char* message,
+                                                        const Us&... args) {
+    static constexpr CheckArgType t[] = {CheckArgType::kCheckOp, Us::Type()...,
+                                         CheckArgType::kEnd};
+    FatalLog(file, line, message, t, args.GetVal()...);
+  }
+#else
+  template <typename... Us>
+  RTC_NORETURN RTC_FORCE_INLINE static void Call(const char* file,
+                                                 const int line) {
+    FatalLog(file, line);
+  }
+#endif
+};
+
 template <bool isCheckOp>
 class FatalLogCall final {
  public: