From: Jonathan Wakely <jwakely@redhat.com>
Date: Tue, 4 Oct 2022 08:37:14 +0000 (+0100)
Subject: libstdc++: Enable std::hash<coroutine_handle<P>> [PR107139]
X-Git-Tag: basepoints/gcc-14~4147
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b74ab7a1609f01afaab9b82cfabfb96ae9e1145d;p=thirdparty%2Fgcc.git

libstdc++: Enable std::hash<coroutine_handle<P>> [PR107139]

Everything that <coroutine> depends on is available for freestanding
now.

libstdc++-v3/ChangeLog:

	PR libstdc++/107139
	* include/std/coroutine: Remove all _GLIBCXXHOSTED preprocessor
	conditionals.
---

diff --git a/libstdc++-v3/include/std/coroutine b/libstdc++-v3/include/std/coroutine
index f4189c7e3fcf..ebaf11d701fb 100644
--- a/libstdc++-v3/include/std/coroutine
+++ b/libstdc++-v3/include/std/coroutine
@@ -39,7 +39,7 @@
 # include <compare>
 #endif
 
-#if !defined __cpp_lib_three_way_comparison && _GLIBCXX_HOSTED
+#if !defined __cpp_lib_three_way_comparison
 # include <bits/stl_function.h> // for std::less
 #endif
 
@@ -165,11 +165,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   constexpr bool
   operator<(coroutine_handle<> __a, coroutine_handle<> __b) noexcept
   {
-#if _GLIBCXX_HOSTED
     return less<void*>()(__a.address(), __b.address());
-#else
-    return (__UINTPTR_TYPE__)__a.address() < (__UINTPTR_TYPE__)__b.address();
-#endif
   }
 
   constexpr bool
@@ -343,7 +339,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   } // namespace __n4861
 
-#if _GLIBCXX_HOSTED
   template<typename _Tp> struct hash;
 
   template<typename _Promise>
@@ -355,10 +350,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	return reinterpret_cast<size_t>(__h.address());
       }
     };
-#endif
 
 #else
-#error "the coroutine header requires -fcoroutines"
+#error "the <coroutine> header requires -fcoroutines"
 #endif
 
   _GLIBCXX_END_NAMESPACE_VERSION