Merge from trunk.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@209623 138bc75d-0d04-0410-961f-82ee72b054a4

diff --cc gcc/builtins.c
Simple merge

diff --cc gcc/combine.c
Simple merge

diff --cc gcc/config/aarch64/aarch64.c
Simple merge

diff --cc gcc/config/arc/arc.c
Simple merge

diff --cc gcc/config/arm/arm.c
Simple merge

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

diff --cc gcc/config/rs6000/rs6000.c
Simple merge

diff --cc gcc/config/rs6000/rs6000.md
Simple merge

diff --cc gcc/config/sparc/sparc.c
Simple merge

diff --cc gcc/cp/call.c
Simple merge

diff --cc gcc/cse.c
Simple merge

diff --cc gcc/final.c
Simple merge

diff --cc gcc/fortran/trans-types.c
Simple merge

diff --cc gcc/gimple-ssa-strength-reduction.c
Simple merge

diff --cc gcc/go/go-gcc.cc
Simple merge

diff --cc gcc/ipa-devirt.c
Simple merge

diff --cc gcc/omp-low.c
Simple merge

diff --cc gcc/postreload.c
Simple merge

diff --cc gcc/predict.c
Simple merge

diff --cc gcc/recog.c
Simple merge

diff --cc gcc/stor-layout.c
Simple merge

diff --cc gcc/stor-layout.h
Simple merge

diff --cc gcc/tree-call-cdce.c
Simple merge

diff --cc gcc/tree-cfg.c
Simple merge

diff --cc gcc/tree-dfa.c
Simple merge

diff --cc gcc/tree-eh.c
Simple merge

diff --cc gcc/tree-object-size.c
Simple merge

diff --cc gcc/tree-predcom.c
Simple merge

diff --cc gcc/tree-ssa-ccp.c
Simple merge

diff --cc gcc/tree-ssa-forwprop.c
Simple merge

diff --cc gcc/tree-ssa-loop-im.c
Simple merge

diff --cc gcc/tree-ssa-loop-ivcanon.c
Simple merge

diff --cc gcc/tree-ssa-math-opts.c
Simple merge

diff --cc gcc/tree-ssa-phiopt.c
Simple merge

diff --cc gcc/tree-ssa-pre.c
Simple merge

diff --cc gcc/tree-ssa-reassoc.c
Simple merge

diff --cc gcc/tree-ssa-structalias.c
Simple merge

diff --cc gcc/tree-ssa-uninit.c
Simple merge

diff --cc gcc/tree-ssa.c
Simple merge

diff --cc gcc/tree-ssanames.c
Simple merge

diff --cc gcc/tree-switch-conversion.c
Simple merge

diff --cc gcc/tree-vect-generic.c
Simple merge

diff --cc gcc/tree-vect-patterns.c
Simple merge

diff --cc gcc/tree-vrp.c
Simple merge

diff --cc gcc/tree.c
Simple merge

diff --cc gcc/var-tracking.c
Simple merge