public inbox for libstdc++-cvs@sourceware.org
help / color / mirror / Atom feed
* [gcc r12-4255] libstdc++: Detect miscompilation of src/c++11/limits.cc
@ 2021-10-08 14:51 Jonathan Wakely
0 siblings, 0 replies; only message in thread
From: Jonathan Wakely @ 2021-10-08 14:51 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:e6f6972b5f4711c110fa753c926df49415f230da
commit r12-4255-ge6f6972b5f4711c110fa753c926df49415f230da
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Fri Oct 8 14:45:23 2021 +0100
libstdc++: Detect miscompilation of src/c++11/limits.cc
Add a #error directive to ensure that the definitions are not compiled
as C++17, which would prevent them being emitted.
libstdc++-v3/ChangeLog:
PR libstdc++/98725
* src/c++11/limits.cc: Fail if __cpp_inline_variables is
defined.
Diff:
---
libstdc++-v3/src/c++11/limits.cc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libstdc++-v3/src/c++11/limits.cc b/libstdc++-v3/src/c++11/limits.cc
index 21d4427f10b..585cb8c92db 100644
--- a/libstdc++-v3/src/c++11/limits.cc
+++ b/libstdc++-v3/src/c++11/limits.cc
@@ -29,6 +29,10 @@
// 18.2.1
//
+#if __cpp_inline_variables
+# error This file must be compiled as C++11 or C++14
+#endif
+
#include <limits>
namespace std _GLIBCXX_VISIBILITY(default)
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2021-10-08 14:51 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-10-08 14:51 [gcc r12-4255] libstdc++: Detect miscompilation of src/c++11/limits.cc Jonathan Wakely
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).