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From: "Arsen Arsenović" <arsen@aarsen.me>
To: gcc-patches@gcc.gnu.org
Cc: libstdc++@gcc.gnu.org, "Arsen Arsenović" <arsen@aarsen.me>
Subject: [PATCH 09/10] libstdc++: Re-enable std::hash<std::bitset> in freestanding [PR103626]
Date: Fri, 30 Sep 2022 18:45:55 +0200	[thread overview]
Message-ID: <20220930164556.1198044-10-arsen@aarsen.me> (raw)
In-Reply-To: <20220930164556.1198044-1-arsen@aarsen.me>

PR libstdc++/103626 - _GLIBCXX_HOSTED should respect -ffreestanding

libstdc++-v3/ChangeLog:
	PR libstdc++/103626
	* include/std/bitset [!_GLIBCXX_HOSTED]: Re-enable std::hash.
	* testsuite/20_util/bitset/cons/constexpr_c++23.cc: Require ET
	hosted.
	* testsuite/20_util/bitset/ext/constexpr.cc: Likewise.

Signed-off-by: Arsen Arsenović <arsen@aarsen.me>
---
 libstdc++-v3/include/std/bitset                          | 9 +++++----
 .../testsuite/20_util/bitset/cons/constexpr_c++23.cc     | 2 ++
 libstdc++-v3/testsuite/20_util/bitset/ext/constexpr.cc   | 2 ++
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/libstdc++-v3/include/std/bitset b/libstdc++-v3/include/std/bitset
index 3fe8b18735c..b0b7f3f5482 100644
--- a/libstdc++-v3/include/std/bitset
+++ b/libstdc++-v3/include/std/bitset
@@ -52,9 +52,10 @@
 # include <string>
 # include <iosfwd>
 # include <bits/cxxabi_forced.h>
-# if __cplusplus >= 201103L
-#  include <bits/functional_hash.h>
-# endif
+#endif
+
+#if __cplusplus >= 201103L
+# include <bits/functional_hash.h>
 #endif
 
 #define _GLIBCXX_BITSET_BITS_PER_WORD  (__CHAR_BIT__ * __SIZEOF_LONG__)
@@ -1649,7 +1650,7 @@ _GLIBCXX_END_NAMESPACE_CONTAINER
 #undef _GLIBCXX_BITSET_BITS_PER_WORD
 #undef _GLIBCXX_BITSET_BITS_PER_ULL
 
-#if __cplusplus >= 201103L && _GLIBCXX_HOSTED
+#if __cplusplus >= 201103L
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/testsuite/20_util/bitset/cons/constexpr_c++23.cc b/libstdc++-v3/testsuite/20_util/bitset/cons/constexpr_c++23.cc
index 532fc9dc4d5..d308c2b2f10 100644
--- a/libstdc++-v3/testsuite/20_util/bitset/cons/constexpr_c++23.cc
+++ b/libstdc++-v3/testsuite/20_util/bitset/cons/constexpr_c++23.cc
@@ -1,5 +1,7 @@
 // { dg-options "-std=gnu++23" }
 // { dg-do compile { target c++23 } }
+// This test relies on std::string.
+// { dg-require-effective-target hosted }
 
 #include <bitset>
 
diff --git a/libstdc++-v3/testsuite/20_util/bitset/ext/constexpr.cc b/libstdc++-v3/testsuite/20_util/bitset/ext/constexpr.cc
index f82e7aa409a..4bacefad14a 100644
--- a/libstdc++-v3/testsuite/20_util/bitset/ext/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/bitset/ext/constexpr.cc
@@ -1,5 +1,7 @@
 // { dg-options "-std=gnu++23" }
 // { dg-do compile { target c++23 } }
+// This test relies on std::string.
+// { dg-require-effective-target hosted }
 
 #include <bitset>
 #include <testsuite_hooks.h>
-- 
2.37.3


  parent reply	other threads:[~2022-09-30 16:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-30 16:45 [PATCH 00/10] c-family,libstdc++: P1642 and related changes Arsen Arsenović
2022-09-30 16:45 ` [PATCH 01/10] libstdc++: Make _GLIBCXX_HOSTED respect -ffreestanding [PR103626] Arsen Arsenović
2022-09-30 16:45 ` [PATCH 02/10] libstdc++: Filter out unconditional <stdio.h> default include Arsen Arsenović
2022-09-30 16:45 ` [PATCH 03/10] libstdc++: Adjust precompiled headers for freestanding Arsen Arsenović
2022-09-30 16:45 ` [PATCH 04/10] libstdc++: Mark headers that must be hosted as such [PR103626] Arsen Arsenović
2022-09-30 16:45 ` [PATCH 05/10] c-family: Implement new `int main' semantics in freestanding Arsen Arsenović
2022-09-30 16:45 ` [PATCH 06/10] libstdc++: Rework how freestanding install works [PR106953] Arsen Arsenović
2022-09-30 16:45 ` [PATCH 07/10] libstdc++: Make some tests work on freestanding [PR103626] Arsen Arsenović
2022-09-30 16:45 ` [PATCH 08/10] libstdc++: Add effective-target 'hosted' for testsuite [PR103626] Arsen Arsenović
2022-09-30 16:45 ` Arsen Arsenović [this message]
2022-09-30 16:45 ` [PATCH 10/10] libstdc++: Disable hosted-only tests [PR103626] Arsen Arsenović
2022-09-30 18:15 ` [PATCH 00/10] c-family,libstdc++: P1642 and related changes Jonathan Wakely
2022-10-03 14:49   ` Jonathan Wakely

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