Updating SVN tree U libgomp/ChangeLog U libgomp/plugin/plugin-nvptx.c U gcc/DATESTAMP U gcc/fold-const.c U gcc/ChangeLog U gcc/testsuite/ChangeLog A gcc/testsuite/g++.dg/ubsan/pr80403-2.C U gcc/config/mips/mips.md Updated to revision 246924. Adjusting file timestamps