[gcc/devel/gccgo] libstdc++: Update __cpp_lib_concepts value

[gcc/devel/gccgo] libstdc++: Update __cpp_lib_concepts value

[Ian Lance Taylor]

https://gcc.gnu.org/g:c9313582d82e0768a3a68250dc97d82a9ad3c116

commit c9313582d82e0768a3a68250dc97d82a9ad3c116
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Apr 22 22:54:34 2020 +0100

    libstdc++: Update __cpp_lib_concepts value
    
            * include/std/functional (__cpp_lib_concepts): Update macro value to
            indicate P1964R2 support.
            * include/std/version (__cpp_lib_concepts): Likewise.
            * testsuite/std/concepts/1.cc: Adjust expected value.
            * testsuite/std/concepts/2.cc: Likewise.

Diff:
---
 libstdc++-v3/ChangeLog                   | 6 ++++++
 libstdc++-v3/include/std/concepts        | 2 +-
 libstdc++-v3/include/std/version         | 2 +-
 libstdc++-v3/testsuite/std/concepts/1.cc | 2 +-
 libstdc++-v3/testsuite/std/concepts/2.cc | 2 +-
 5 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 7053a63ee91..4e86ec188a5 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,11 @@
 2020-04-22  Jonathan Wakely  <jwakely@redhat.com>
 
+	* include/std/functional (__cpp_lib_concepts): Update macro value to
+	indicate P1964R2 support.
+	* include/std/version (__cpp_lib_concepts): Likewise.
+	* testsuite/std/concepts/1.cc: Adjust expected value.
+	* testsuite/std/concepts/2.cc: Likewise.
+
 	* include/std/functional (__cpp_lib_constexpr_invoke): Rename to
 	__cpp_lib_constexpr_functional.
 	* include/std/version (__cpp_lib_constexpr_invoke): Likewise.
diff --git a/libstdc++-v3/include/std/concepts b/libstdc++-v3/include/std/concepts
index e8ce1adc93a..9ffed7007d9 100644
--- a/libstdc++-v3/include/std/concepts
+++ b/libstdc++-v3/include/std/concepts
@@ -47,7 +47,7 @@ namespace std _GLIBCXX_VISIBILITY(default)
 {
 _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
-#define __cpp_lib_concepts 201806L
+#define __cpp_lib_concepts 202002L
 
   // [concepts.lang], language-related concepts
 
diff --git a/libstdc++-v3/include/std/version b/libstdc++-v3/include/std/version
index 77255915c4d..85bc142bc38 100644
--- a/libstdc++-v3/include/std/version
+++ b/libstdc++-v3/include/std/version
@@ -168,7 +168,7 @@
 #define __cpp_lib_bounded_array_traits 201902L
 // __cpp_lib_char8_t is defined in <bits/c++config.h>
 #if __cpp_concepts >= 201907L
-# define __cpp_lib_concepts 201806L
+# define __cpp_lib_concepts 202002L
 #endif
 #if __cpp_impl_destroying_delete
 # define __cpp_lib_destroying_delete 201806L
diff --git a/libstdc++-v3/testsuite/std/concepts/1.cc b/libstdc++-v3/testsuite/std/concepts/1.cc
index 41726faa731..4f5812ce121 100644
--- a/libstdc++-v3/testsuite/std/concepts/1.cc
+++ b/libstdc++-v3/testsuite/std/concepts/1.cc
@@ -22,6 +22,6 @@
 
 #ifndef __cpp_lib_concepts
 # error "Feature test macro for concepts is missing in <concepts>"
-#elif __cpp_lib_concepts < 201806L
+#elif __cpp_lib_concepts < 202002L
 # error "Feature test macro for concepts has wrong value in <concepts>"
 #endif
diff --git a/libstdc++-v3/testsuite/std/concepts/2.cc b/libstdc++-v3/testsuite/std/concepts/2.cc
index 706de7dd913..6967c8454a9 100644
--- a/libstdc++-v3/testsuite/std/concepts/2.cc
+++ b/libstdc++-v3/testsuite/std/concepts/2.cc
@@ -22,6 +22,6 @@
 
 #ifndef __cpp_lib_concepts
 # error "Feature test macro for concepts is missing in <version>"
-#elif __cpp_lib_concepts < 201806L
+#elif __cpp_lib_concepts < 202002L
 # error "Feature test macro for concepts has wrong value in <version>"
 #endif