https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82233
Bug ID: 82233
Summary: execute_command_line causes program to stop when
command fails (or does not exist)
Product: gcc
Version: 6.4.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: urbanjost at comcast dot net
Target Milestone: ---
Created attachment 42191
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42191&action=edit
samples of execute_command_line that do and do not work with an unknown command
SYNOPSIS
Many calls to execute_command_line(3f) cause an error and program
termination if commands do not
exist or cause an error in gfortran 6.4.0; did not do this in 5.4.0
PROGRAMMING ENVIRONMENT
OS: CYGWIN_NT-10.0 2.9.0(0.318/5/3) 2017-09-08 10:19 x86_64 Cygwin
COMPILER: GNU Fortran (GCC) 6.4.0
EXAMPLE
program boom
call execute_command_line('notthere')
end program boom
ERROR
sh: notthere: command not found
Fortran runtime error: EXECUTE_COMMAND_LINE: Invalid command line
Error termination. Backtrace:
#0 0xffffffffffffffff in ???
#1 0xffffffffffffffff in ???
:
:
