Updating SVN tree U gcc/DATESTAMP U gcc/ChangeLog A gcc/testsuite/gcc.dg/Wrestrict-15.c U gcc/testsuite/ChangeLog U gcc/gimple-ssa-warn-restrict.c U gcc/gimple-fold.c U gcc/config/riscv/linux.h U gcc/config/riscv/elf.h Updated to revision 259541. Adjusting file timestamps