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From: "longb at cray dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/95104] New: Segfault on a legal WAIT statement
Date: Wed, 13 May 2020 12:42:08 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95104

            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=3Dios)
              print *, ios
              close (10)
      end program test


> gfortran test.f90
> ./a.out

Program received signal SIGSEGV: Segmentation fault - invalid memory refere=
nce.

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.=