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Subject: gcc-wwwdocs branch master updated.
c637096c2a3d4cf33ffd610255ecd451450895fd
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From: Patrick Palka
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- Log -----------------------------------------------------------------
commit c637096c2a3d4cf33ffd610255ecd451450895fd
Author: Patrick Palka
Date: Thu Apr 7 12:07:20 2022 -0400
gcc-12: Document new C++ flag -ffold-simple-inlines
diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
index 4cfe2bf5..d32ac0b7 100644
--- a/htdocs/gcc-12/changes.html
+++ b/htdocs/gcc-12/changes.html
@@ -290,6 +290,16 @@ a work-in-progress.
New command-line option -fimplicit-constexpr
can be used to
make inline functions implicitly constexpr
(git)
+ New command-line option -ffold-simple-inlines
that controls
+ whether to fold calls to certain trivial inline functions (currently
+ std::move
, std::forward
,
+ std::addressof
and std::as_const
). In contrast
+ to inlining such calls, folding means that no intermediate code or debug
+ information will be generated for them; this minimizes the abstraction
+ penalty incurred for using these functions versus using the fundamental
+ operations from which they're defined (e.g. std::move
versus
+ static_cast
). This flag is enabled by default when
+ -fno-inline
is not active.
Deduction guides can be declared at class scope
(PR79501)
-Wuninitialized
-----------------------------------------------------------------------
Summary of changes:
htdocs/gcc-12/changes.html | 10 ++++++++++
1 file changed, 10 insertions(+)
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