Updating SVN tree U libstdc++-v3/include/std/type_traits U libstdc++-v3/include/std/variant U libstdc++-v3/include/bits/basic_string.h U libstdc++-v3/libsupc++/eh_personality.cc U libstdc++-v3/ChangeLog U libstdc++-v3/testsuite/20_util/variant/run.cc U libstdc++-v3/testsuite/20_util/variant/compile.cc U libstdc++-v3/testsuite/20_util/unwrap_reference/1.cc U libphobos/ChangeLog U libphobos/libdruntime/gcc/deh.d U libgcc/ChangeLog U libgcc/config/arm/unwind-arm.c U libgcc/config/arm/pr-support.c U libgcc/unwind-c.c U gcc/doc/extend.texi U gcc/doc/invoke.texi U gcc/DATESTAMP U gcc/tree-chrec.c U gcc/tree-chrec.h U gcc/ChangeLog A gcc/testsuite/gfortran.dg/pr90021.f90 U gcc/testsuite/ChangeLog A gcc/testsuite/g++.dg/tree-ssa/pr90078.C U gcc/tree-ssa-loop-ivopts.c U gcc/tree-data-ref.c U gcc/tree-cfgcleanup.c U gcc/config/arm/arm.c U gcc/config/arm/arm.h U gcc/config/arm/arm.opt U libobjc/exception.c U libobjc/ChangeLog Updated to revision 270506. Adjusting file timestamps