Updating SVN tree U libstdc++-v3/include/std/optional U libstdc++-v3/ChangeLog U libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc A libstdc++-v3/testsuite/20_util/optional/84601.cc U libgcc/ChangeLog U libgcc/config/pa/fptr.c U gcc/c/ChangeLog U gcc/c/c-parser.c U gcc/DATESTAMP U gcc/ChangeLog A gcc/testsuite/gfortran.dg/minmaxloc_zerosize_1.f90 A gcc/testsuite/gfortran.dg/pr64107.f90 A gcc/testsuite/gcc.dg/pr84721.c A gcc/testsuite/gcc.dg/pr84710.c U gcc/testsuite/ChangeLog A gcc/testsuite/g++.dg/cpp1z/constexpr-84684.C U gcc/cp/constexpr.c U gcc/cp/ChangeLog U gcc/fortran/gfortran.h U gcc/fortran/ChangeLog U gcc/fortran/expr.c U gcc/fortran/simplify.c U gcc/combine.c U gcc/config/pa/pa64-hpux.h U gcc/config/pa/pa.h Updated to revision 258312. Adjusting file timestamps