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* [gcc r12-5346] doc: document -fimplicit-constexpr
@ 2021-11-17 17:45 Jason Merrill
  0 siblings, 0 replies; only message in thread
From: Jason Merrill @ 2021-11-17 17:45 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:d3a9082d7acc3ef443de6f14a16e7063d92844b1

commit r12-5346-gd3a9082d7acc3ef443de6f14a16e7063d92844b1
Author: Jason Merrill <jason@redhat.com>
Date:   Wed Nov 17 05:45:02 2021 -0500

    doc: document -fimplicit-constexpr
    
    I forgot this in the implementation patch.
    
    gcc/ChangeLog:
    
            * doc/invoke.texi (C++ Dialect Options): Document
            -fimplicit-constexpr.

Diff:
---
 gcc/doc/invoke.texi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index a22758d18ee..bd6b9f6010c 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -3106,6 +3106,13 @@ word as an identifier.  You can use the keyword @code{__typeof__} instead.
 This option is implied by the strict ISO C++ dialects: @option{-ansi},
 @option{-std=c++98}, @option{-std=c++11}, etc.
 
+@item -fimplicit-constexpr
+@opindex fimplicit-constexpr
+Make inline functions implicitly constexpr, if they satisfy the
+requirements for a constexpr function.  This option can be used in
+C++14 mode or later.  This can result in initialization changing from
+dynamic to static and other optimizations.
+
 @item -fno-implicit-templates
 @opindex fno-implicit-templates
 @opindex fimplicit-templates


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