Updating SVN tree U libgcc/configure.ac U libgcc/ChangeLog U libgcc/configure U gcc/doc/extend.texi U gcc/DATESTAMP U gcc/ChangeLog A gcc/testsuite/gcc.target/powerpc/float128-1.c A gcc/testsuite/gcc.target/powerpc/float128-2.c U gcc/testsuite/lib/target-supports.exp U gcc/testsuite/ChangeLog A gcc/testsuite/g++.dg/abi/abi-tag20.C U gcc/cp/ChangeLog U gcc/cp/mangle.c U gcc/config/rs6000/rs6000.c Updated to revision 234893. Adjusting file timestamps