Updating SVN tree U gcc/doc/invoke.texi U gcc/DATESTAMP U gcc/ChangeLog U gcc/testsuite/gcc.dg/ipa/ipa-icf-39.c A gcc/testsuite/gcc.dg/pr87485.c U gcc/testsuite/gcc.dg/pr68766.c U gcc/testsuite/ChangeLog U gcc/dbgcnt.c U gcc/function.c Updated to revision 270018. Adjusting file timestamps