Merge #1546

Merge #1546

1546: Merge remote-tracking branch 'mainline/master' into ibuclaw/merge_mainline r=philberty a=ibuclaw

Fixes: #1544
Co-authored-by: Jonathan Wakely <jwakely@redhat.com>
Co-authored-by: GCC Administrator <gccadmin@gcc.gnu.org>
Co-authored-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
Co-authored-by: Mikael Morin <mikael@gcc.gnu.org>
Co-authored-by: Harald Anlauf <anlauf@gmx.de>
Co-authored-by: liuhongt <hongtao.liu@intel.com>
Co-authored-by: Kewen Lin <linkw@linux.ibm.com>
Co-authored-by: Hu, Lin1 <lin1.hu@intel.com>
Co-authored-by: Martin Liska <mliska@suse.cz>
Co-authored-by: Eric Botcazou <ebotcazou@adacore.com>
Co-authored-by: Piotr Trojanek <trojanek@adacore.com>
Co-authored-by: Boris Yakobowski <yakobowski@adacore.com>
Co-authored-by: Justin Squirek <squirek@adacore.com>
Co-authored-by: Tucker Taft <taft@adacore.com>
Co-authored-by: Kévin Le Gouguec <legouguec@adacore.com>