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From: Joseph Myers <jsm28@sourceware.org> To: gcc-cvs-wwwdocs@gcc.gnu.org Subject: gcc-wwwdocs branch master updated. 6eeeb6a53c2e57e3f02f97da176589cf15877247 Date: Thu, 4 Apr 2024 17:04:47 +0000 (GMT) [thread overview] Message-ID: <20240404170447.216103858C98@sourceware.org> (raw) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 6eeeb6a53c2e57e3f02f97da176589cf15877247 (commit) from a33ad5c5681a0ce2dfba0a90b4043f399b7a7d55 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 6eeeb6a53c2e57e3f02f97da176589cf15877247 Author: Joseph Myers <josmyers@redhat.com> Date: Thu Apr 4 17:04:33 2024 +0000 gcc-14: Add release notes for C23 features Add release notes for C23 features added in GCC 14. This doesn't cover any non-C23 new C features; any such features should also have release notes added. diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html index 934cd1ad..045893cf 100644 --- a/htdocs/gcc-14/changes.html +++ b/htdocs/gcc-14/changes.html @@ -206,6 +206,31 @@ a work-in-progress.</p> <!-- <h3 id="c-family">C family</h3> --> +<h3 id="c">C</h3> + +<ul> + <li>Some more C23 features have been implemented: + <ul> + <li>Bit-precise integer types (<code>_BitInt (<i>N</i>)</code> + and <code>unsigned _BitInt (<i>N</i>)</code>): integer types with + a specified number of bits. These are only supported on + IA-32/x86-64 at present.</li> + <li>Structure, union and enumeration types may be defined more + than once in the same scope with the same contents and the same + tag; if such types are defined with the same contents and the + same tag in different scopes, the types are compatible.</li> + <li>The <code><stdckdint.h></code> header for checked + integer arithmetic.</li> + </ul> + </li> + <li>In addition to those C23 features, there are new command-line + options <code>-std=c23</code>, <code>-std=gnu23</code> + and <code>-Wc11-c23-compat</code>. These are equivalent to the + previous options <code>-std=c2x</code>, <code>-std=gnu2x</code> + and <code>-Wc11-c2x-compat</code>, which are deprecated but remain + supported.</li> +</ul> + <h3 id="cxx">C++</h3> <ul> ----------------------------------------------------------------------- Summary of changes: htdocs/gcc-14/changes.html | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) hooks/post-receive -- gcc-wwwdocs
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