read new gmon.out style files. The idea being that everyone
will use the new format for basic-block style profiling but
the old format for regular gpprofiling
+\f
+Copyright (C) 2012-2020 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.