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* [gcc r12-7131] c++: P2493 feature test macro updates
@ 2022-02-09 14:41 Jason Merrill
0 siblings, 0 replies; only message in thread
From: Jason Merrill @ 2022-02-09 14:41 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:d80f2248c5962318c77624a0eab05b81c59add1b
commit r12-7131-gd80f2248c5962318c77624a0eab05b81c59add1b
Author: Jason Merrill <jason@redhat.com>
Date: Wed Feb 9 00:30:49 2022 -0500
c++: P2493 feature test macro updates
The C++ committee just updated the values of these macros to reflect some
late C++20 papers that we implement but others don't yet; see PR103891.
gcc/c-family/ChangeLog:
* c-cppbuiltin.cc (c_cpp_builtins): Update values
of __cpp_constexpr and __cpp_concepts for C++20.
gcc/testsuite/ChangeLog:
* g++.dg/cpp23/feat-cxx2b.C: Adjust.
* g++.dg/cpp2a/feat-cxx2a.C: Adjust.
Diff:
---
gcc/c-family/c-cppbuiltin.cc | 4 ++--
gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C | 4 ++--
gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C | 8 ++++----
3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/gcc/c-family/c-cppbuiltin.cc b/gcc/c-family/c-cppbuiltin.cc
index 528211cf50e..4672ae8486a 100644
--- a/gcc/c-family/c-cppbuiltin.cc
+++ b/gcc/c-family/c-cppbuiltin.cc
@@ -1059,7 +1059,7 @@ c_cpp_builtins (cpp_reader *pfile)
cpp_define (pfile, "__cpp_generic_lambdas=201707L");
cpp_define (pfile, "__cpp_designated_initializers=201707L");
if (cxx_dialect <= cxx20)
- cpp_define (pfile, "__cpp_constexpr=201907L");
+ cpp_define (pfile, "__cpp_constexpr=202002L");
cpp_define (pfile, "__cpp_constexpr_in_decltype=201711L");
cpp_define (pfile, "__cpp_conditional_explicit=201806L");
cpp_define (pfile, "__cpp_consteval=201811L");
@@ -1084,7 +1084,7 @@ c_cpp_builtins (cpp_reader *pfile)
if (flag_concepts)
{
if (cxx_dialect >= cxx20)
- cpp_define (pfile, "__cpp_concepts=201907L");
+ cpp_define (pfile, "__cpp_concepts=202002L");
else
cpp_define (pfile, "__cpp_concepts=201507L");
}
diff --git a/gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C b/gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C
index 923e6bcf65e..c1f91e78e66 100644
--- a/gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C
+++ b/gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C
@@ -528,8 +528,8 @@
#ifndef __cpp_concepts
# error "__cpp_concepts"
-#elif __cpp_concepts != 201907
-# error "__cpp_concepts != 201907"
+#elif __cpp_concepts != 202002
+# error "__cpp_concepts != 202002"
#endif
#ifndef __cpp_using_enum
diff --git a/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C b/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C
index 3239df824fc..c65ea6bf48a 100644
--- a/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C
+++ b/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C
@@ -134,8 +134,8 @@
#ifndef __cpp_constexpr
# error "__cpp_constexpr"
-#elif __cpp_constexpr != 201907
-# error "__cpp_constexpr != 201907"
+#elif __cpp_constexpr != 202002
+# error "__cpp_constexpr != 202002"
#endif
#ifndef __cpp_decltype_auto
@@ -528,8 +528,8 @@
#ifndef __cpp_concepts
# error "__cpp_concepts"
-#elif __cpp_concepts != 201907
-# error "__cpp_concepts != 201907"
+#elif __cpp_concepts != 202002
+# error "__cpp_concepts != 202002"
#endif
#ifndef __cpp_using_enum
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