Updating SVN tree U libquadmath/ChangeLog U libquadmath/quadmath_weak.h U libstdc++-v3/doc/xml/manual/documentation_hacking.xml U libstdc++-v3/ChangeLog U gcc/DATESTAMP U gcc/ChangeLog U gcc/testsuite/gfortran.dg/io_constraints_8.f90 A gcc/testsuite/gfortran.dg/pr87922.f90 A gcc/testsuite/gcc.dg/Wrestrict-18.c U gcc/testsuite/gcc.dg/tree-ssa/split-path-5.c A gcc/testsuite/gcc.dg/tree-ssa/split-path-11.c U gcc/testsuite/ChangeLog U gcc/gimple-ssa-warn-restrict.c U gcc/fortran/ChangeLog U gcc/fortran/io.c U gcc/gimple-ssa-split-paths.c U gcc/config/rs6000/rs6000.c Updated to revision 266973. Adjusting file timestamps