From f78c3e41be6e01aad47fc47163c1ad2caff101c0 Mon Sep 17 00:00:00 2001
From: peterbell10 <peterbell10@live.co.uk>
Date: Sat, 20 Jan 2018 20:15:30 +0000
Subject: [PATCH] Fix unreachable code warning when signbit returns bool

---
 fmt/format.h | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fmt/format.h b/fmt/format.h
index c6ee44d1..23276591 100644
--- a/fmt/format.h
+++ b/fmt/format.h
@@ -456,8 +456,7 @@ class numeric_limits<fmt::internal::DummyInt> :
     using namespace fmt::internal;
     // The resolution "priority" is:
     // isinf macro > std::isinf > ::isinf > fmt::internal::isinf
-    if (const_check(sizeof(isinf(x)) == sizeof(bool) ||
-                    sizeof(isinf(x)) == sizeof(int))) {
+    if (const_check(sizeof(isinf(x)) != sizeof(fmt::internal::DummyInt))) {
       return isinf(x) != 0;
     }
     return !_finite(static_cast<double>(x));
@@ -467,8 +466,7 @@ class numeric_limits<fmt::internal::DummyInt> :
   template <typename T>
   static bool isnotanumber(T x) {
     using namespace fmt::internal;
-    if (const_check(sizeof(isnan(x)) == sizeof(bool) ||
-                    sizeof(isnan(x)) == sizeof(int))) {
+    if (const_check(sizeof(isnan(x)) != sizeof(fmt::internal::DummyInt))) {
       return isnan(x) != 0;
     }
     return _isnan(static_cast<double>(x)) != 0;
@@ -477,8 +475,7 @@ class numeric_limits<fmt::internal::DummyInt> :
   // Portable version of signbit.
   static bool isnegative(double x) {
     using namespace fmt::internal;
-    if (const_check(sizeof(signbit(x)) == sizeof(bool) ||
-                    sizeof(signbit(x)) == sizeof(int))) {
+    if (const_check(sizeof(signbit(x)) != sizeof(fmt::internal::DummyInt))) {
       return signbit(x) != 0;
     }
     if (x < 0) return true;