Updating SVN tree U libstdc++-v3/doc/xml/manual/status_cxx2017.xml U libstdc++-v3/include/bits/char_traits.h U libstdc++-v3/include/bits/stl_tree.h U libstdc++-v3/ChangeLog A libstdc++-v3/testsuite/23_containers/set/allocator/default_init.cc A libstdc++-v3/testsuite/23_containers/map/allocator/default_init.cc U libstdc++-v3/testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc U libstdc++-v3/testsuite/util/testsuite_allocator.h U gcc/DATESTAMP U gcc/fold-const.c U gcc/ChangeLog U gcc/testsuite/gcc.dg/tree-ssa/dump-2.c U gcc/testsuite/gcc.dg/tree-ssa/vrp101.c U gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-2.c U gcc/testsuite/ChangeLog A gcc/testsuite/c-c++-common/ubsan/pr81065.c U gcc/go/gofrontend/MERGE U gcc/go/gofrontend/expressions.cc U gcc/gimple-pretty-print.c U gcc/tree-vect-loop.c U gcc/config/sparc/sparc.md U gcc/config/avr/avr-devices.c U gcc/config/avr/gen-avr-mmcu-specs.c U libgo/go/runtime/cgo_gccgo.go U libgo/go/runtime/proc.go Updated to revision 249147. Adjusting file timestamps