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[Bug gold/27815] gold fails to build with latest GCC
From: |
cvs-commit at gcc dot gnu.org |
Subject: |
[Bug gold/27815] gold fails to build with latest GCC |
Date: |
Thu, 19 Aug 2021 06:14:38 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=27815
--- Comment #11 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot
gnu.org> ---
The binutils-2_36-branch branch has been updated by Alan Modra
<amodra@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ee51385839895013660b2fe5a86713e43f1627cf
commit ee51385839895013660b2fe5a86713e43f1627cf
Author: Alan Modra <amodra@gmail.com>
Date: Thu May 20 08:19:00 2021 +0930
[GOLD] PR27815, gold fails to build with latest GCC
...gold/gc.h:250:37: error: ISO C++ says that these are ambiguous, even
though the worst conversion for the first is better than the worst conversion
for the second: [-Werror]
250 | (*secvec).push_back(Section_id(NULL, 0));
| ^~~~~~~~~~~~~~~~~~~
PR gold/27815
* gc.h (gc_process_relocs): Use nullptr in Section_id constructor.
Don't use nullptr, it requires -std=c++11 on versions of gcc prior to
6.1. It would be possible to arrange to pass -std=c++11 automatically
when required (top level configure does that for gcc builds) but that
seems overkill and since we're not up-to-date on the top level config
files would mean someone would need to sync those over.
PR gold/27815
* gc.h (gc_process_relocs): Use cast in Section_id constructor.
https://en.cppreference.com/w/cpp/types/NULL says NULL might be
defined as nullptr.
https://en.cppreference.com/w/cpp/language/reinterpret_cast says
reinterpret_cast can't be used on nullptr.
PR gold/28106
PR gold/27815
* gc.h (gc_process_relocs): Use static_cast in Section_id
constructor.
(cherry picked from commit 1f1fb219fdc4f96fd967e6173e9090c4c4917e96)
(cherry picked from commit 5d7f11f0e76ca290e3745c8836b92a5266cb84e2)
(cherry picked from commit b97bd976233ee4d43c2fe18f6356e62779cbe82d)
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