From 6b3c00e4408d2167480347773523aa3d7232c939 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Wed, 25 May 2016 17:15:28 -0700
Subject: [PATCH] Fix clang warnings (#250)

---
 fmt/format.cc | 5 +++++
 fmt/format.h  | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/fmt/format.cc b/fmt/format.cc
index ad3a1cb0008ce..b8c22b7024716 100644
--- a/fmt/format.cc
+++ b/fmt/format.cc
@@ -357,8 +357,13 @@ class CharConverter : public ArgVisitor<CharConverter, void> {
 };
 }  // namespace
 
+FMT_FUNC FormatError::~FormatError() {}
+FMT_FUNC SystemError::~SystemError() {}
+
 namespace internal {
 
+FMT_FUNC RuntimeError::~RuntimeError() {}
+
 // This method is used to preserve binary compatibility with fmt 3.0.
 // It can be removed in 4.0.
 FMT_FUNC void format_system_error(
diff --git a/fmt/format.h b/fmt/format.h
index 7cdac979a80d4..ab939af65d60e 100644
--- a/fmt/format.h
+++ b/fmt/format.h
@@ -105,7 +105,7 @@ typedef __int64          intmax_t;
 
 #if defined(__clang__) && !defined(FMT_ICC_VERSION)
 # pragma clang diagnostic push
-# pragma clang diagnostic ignored "-Wdocumentation"
+# pragma clang diagnostic ignored "-Wdocumentation-unknown-command"
 #endif
 
 #ifdef __GNUC_LIBSTD__
@@ -538,6 +538,7 @@ class FormatError : public std::runtime_error {
  public:
   explicit FormatError(CStringRef message)
   : std::runtime_error(message.c_str()) {}
+  ~FormatError() FMT_NOEXCEPT;
 };
 
 namespace internal {
@@ -1316,6 +1317,7 @@ struct NamedArg : Arg {
 class RuntimeError : public std::runtime_error {
  protected:
   RuntimeError() : std::runtime_error("") {}
+  ~RuntimeError() FMT_NOEXCEPT;
 };
 
 template <typename Char>
@@ -2278,6 +2280,7 @@ class SystemError : public internal::RuntimeError {
     init(error_code, message, ArgList());
   }
   FMT_VARIADIC_CTOR(SystemError, init, int, CStringRef)
+  ~SystemError() FMT_NOEXCEPT;
 
   int error_code() const { return error_code_; }
 };