Merge branch 'autopar_rebase2' into autopar_devel

Quickly commit changes in the rebase branch.

diff --cc gcc/Makefile.in
Simple merge

diff --cc gcc/config/i386/i386-expand.c
Simple merge

diff --cc libgcc/Makefile.in
Simple merge

diff --cc libstdc++-v3/src/Makefile.in
Simple merge

diff --cc libstdc++-v3/src/c++11/Makefile.in
Simple merge

diff --cc libstdc++-v3/src/c++17/Makefile.in
Simple merge

diff --cc libstdc++-v3/src/c++98/Makefile.in
Simple merge