https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95104
Bug ID: 95104 Summary: Segfault on a legal WAIT statement Product: gcc Version: 9.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: longb at cray dot com Target Milestone: --- > cat test.f90 program test wait (10, iostat=ios) print *, ios close (10) end program test > gfortran test.f90 > ./a.out Program received signal SIGSEGV: Segmentation fault - invalid memory reference. Backtrace for this error: #0 0x7f3f0334159f in ??? #1 0x4007f6 in ??? #2 0x4008c7 in ??? #3 0x7f3f0332c349 in ??? #4 0x4006f9 in ??? at ../sysdeps/x86_64/start.S:120 #5 0xffffffffffffffff in ??? Segmentation fault (core dumped) longb@jupiter:/cray/css/users/longb/spr/jira/22703> gfortran --version GNU Fortran (GCC) 9.3.0 20200312 (Cray Inc.) Copyright (C) 2019 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.