public inbox for libstdc++@gcc.gnu.org
 help / color / mirror / Atom feed
* [committed] libstdc++: Avoid narrowing conversion in subrange constructor
@ 2020-10-29 22:52 Jonathan Wakely
  0 siblings, 0 replies; only message in thread
From: Jonathan Wakely @ 2020-10-29 22:52 UTC (permalink / raw)
  To: libstdc++, gcc-patches

[-- Attachment #1: Type: text/plain, Size: 285 bytes --]

libstdc++-v3/ChangeLog:

	* include/bits/ranges_util.h (subrange::subrange(R&&)): Use
	direct-initialization instead of list-initialization, so a
	potential narrowing conversion from ranges::size(r) to the
	stored size isn't ill-formed.

Tested powerpc64le-linux. Committed to trunk.


[-- Attachment #2: patch.txt --]
[-- Type: text/plain, Size: 1014 bytes --]

commit a55cda891d69b5a238d2e237903829995ca7249c
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Thu Oct 29 22:47:22 2020

    libstdc++: Avoid narrowing conversion in subrange constructor
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/ranges_util.h (subrange::subrange(R&&)): Use
            direct-initialization instead of list-initialization, so a
            potential narrowing conversion from ranges::size(r) to the
            stored size isn't ill-formed.

diff --git a/libstdc++-v3/include/bits/ranges_util.h b/libstdc++-v3/include/bits/ranges_util.h
index cc50e2ad4e4..416c3346254 100644
--- a/libstdc++-v3/include/bits/ranges_util.h
+++ b/libstdc++-v3/include/bits/ranges_util.h
@@ -247,7 +247,7 @@ namespace ranges
 	  && convertible_to<sentinel_t<_Rng>, _Sent>
 	constexpr
 	subrange(_Rng&& __r) requires _S_store_size && sized_range<_Rng>
-	: subrange{__r, ranges::size(__r)}
+	: subrange(__r, ranges::size(__r))
 	{ }
 
       template<__detail::__not_same_as<subrange> _Rng>

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2020-10-29 22:52 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-10-29 22:52 [committed] libstdc++: Avoid narrowing conversion in subrange constructor 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).