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From: redi@gcc.gnu.org To: gcc-cvs-wwwdocs@gcc.gnu.org Subject: gcc-wwwdocs branch master updated. b1bd21c81af3bc3098fca4293af164a6c6a4544a Date: Fri, 24 Jan 2020 15:30:00 -0000 [thread overview] Message-ID: <20200124153053.113938.qmail@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 b1bd21c81af3bc3098fca4293af164a6c6a4544a (commit) via 8fdda0b261bcd59e3bed41228fe9ced40ad1397f (commit) from f526c4724b183482fc7fe1a5ce78e1597fd1005f (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 b1bd21c81af3bc3098fca4293af164a6c6a4544a Author: Jonathan Wakely <jwakely@redhat.com> Date: Fri Jan 24 15:30:06 2020 +0000 Make it clear C++2a support is experimental diff --git a/htdocs/gcc-10/changes.html b/htdocs/gcc-10/changes.html index ef27c9bb..dcce6b86 100644 --- a/htdocs/gcc-10/changes.html +++ b/htdocs/gcc-10/changes.html @@ -331,7 +331,7 @@ a work-in-progress.</p> <h4 id="libstdcxx">Runtime Library (libstdc++)</h4> <ul> - <li>Improved C++2a support, including: + <li>Improved experimental C++2a support, including: <ul> <li> <code>std::span</code> (thanks to JeanHeyd Meneide). </li> <li> commit 8fdda0b261bcd59e3bed41228fe9ced40ad1397f Author: Jonathan Wakely <jwakely@redhat.com> Date: Fri Jan 24 15:29:46 2020 +0000 Document C++ header reorganisation diff --git a/htdocs/gcc-10/porting_to.html b/htdocs/gcc-10/porting_to.html index 7d45a962..980d3af1 100644 --- a/htdocs/gcc-10/porting_to.html +++ b/htdocs/gcc-10/porting_to.html @@ -49,6 +49,26 @@ and provide solutions. Let us know if you have suggestions for improvements! extern int y; // correct declaration in a header file </code></pre> + +<h2 id="cxx">C++ language issues</h2> + +<h3 id="header-dep-changes">Header dependency changes</h3> + +<p>Some C++ Standard Library headers have been changed to no longer include +the <code><stdexcept></code> header. +As such, C++ programs that used components defined in +<code><stdexcept></code> or <code><string></code> without +explicitly including the right headers will no longer compile. +</p> +<p> +Previously components such as <code>std::runtime_error</code>, +<code>std::string</code> and <code>std::allocator</code> +were implicitly defined after including unrelated headers such as +<code><array></code> and <code><optional></code>. +Correct code should include the appropriate headers for the classes being used. +</p> + + <h2 id="fortran">Fortran language issues</h2> <h3 id="argument-mismatch">Argument mismatches</h3> ----------------------------------------------------------------------- Summary of changes: htdocs/gcc-10/changes.html | 2 +- htdocs/gcc-10/porting_to.html | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) hooks/post-receive -- gcc-wwwdocs
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