* [wwwdocs] Add -Wmultistatement-macros
@ 2017-06-26 14:54 Marek Polacek
0 siblings, 0 replies; only message in thread
From: Marek Polacek @ 2017-06-26 14:54 UTC (permalink / raw)
To: GCC Patches
I've committed the following to reflect the recent addition.
Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-8/changes.html,v
retrieving revision 1.5
diff -u -r1.5 changes.html
--- changes.html 20 Jun 2017 10:19:11 -0000 1.5
+++ changes.html 26 Jun 2017 14:53:28 -0000
@@ -50,6 +50,14 @@
<h3 id="c-family">C family</h3>
<ul>
+ <li>New command-line options have been added for the C and C++ compilers:
+ <ul>
+ <li><code>-Wmultistatement-macros</code> warns about unsafe macros
+ expanding to multiple statements used as a body of a clause such
+ as <code>if</code>, <code>else</code>, <code>while</code>,
+ <code>switch</code>, or <code>for</code>.</li>
+ </ul>
+ </li>
<li><code>-fno-strict-overflow</code> is now mapped to
<code>-fwrapv</code> and signed integer overflow is now undefined by
default at all optimization levels. Using
Marek
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2017-06-26 14:54 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-06-26 14:54 [wwwdocs] Add -Wmultistatement-macros Marek Polacek
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).