Add gdb4hpc test

[jgphpc]

gdb4hpc 3.0 - Cray Line Mode Parallel Debugger

With Cray Comparative Debugging Technology.
Copyright 2007-2018 Cray Inc. All Rights Reserved.
Copyright 1996-2016 University of Queensland. All Rights Reserved.

Type "help" for a list of commands.
Type "help <cmd>" for detailed help about a command.
Submitting job to the batch system.
Waiting for job to start, please wait...
Starting application, please wait...
Creating MRNet communication network...
Waiting for debug servers to attach to MRNet communications network...
Timeout in 400 seconds. Please wait for the attach to complete.
Number of dbgsrvs connected: [1];  Timeout Counter: [0]
Finalizing setup...
Launch complete.
tst{0}: Initial breakpoint, main at /scratch/snx1600tds/piccinal/reframe/stage/dom/login/PrgEnv-gnu/SbucheckCommandCheck/F90/_main.F90:27
tst{0}: Breakpoint 1: file /scratch/snx1600tds/piccinal/reframe/stage/dom/login/PrgEnv-gnu/SbucheckCommandCheck/F90/_jacobi.F90, line 90.
<$tst>: MPI-3.1#1
<$tst>:  Jacobi           1 MPI process(es) with           4 OpenMP-      201307  thread(s)/process
tst{0}: Breakpoint 1, jacobimod::jacobi at /scratch/snx1600tds/piccinal/reframe/stage/dom/login/PrgEnv-gnu/SbucheckCommandCheck/F90/_jacobi.F90:90
tst{0}: 90	<built-in>: No such file or directory.
<$tst>: MPI VERSION    : CRAY MPICH version 7.7.2 (ANL base 3.2)
<$tst>: MPI BUILD INFO : Built Thu Jul 19 20:01:04 2018 (git hash 5d705bad2) MT-G
<$tst>:
<$tst>:       -> matrix size:       2000 x       2000
<$tst>:             -> alpha:   0.800000
<$tst>:             -> relax:   1.000000
<$tst>:         -> tolerance:   0.000000
<$tst>:        -> iterations:          5
tst{0}: 2.571991697905012e-06
tst{0}: Breakpoint 1, jacobimod::jacobi at /scratch/snx1600tds/piccinal/reframe/stage/dom/login/PrgEnv-gnu/SbucheckCommandCheck/F90/_jacobi.F90:90
tst{0}: 2.571517614709396e-06
tst{0}: Breakpoint 1, jacobimod::jacobi at /scratch/snx1600tds/piccinal/reframe/stage/dom/login/PrgEnv-gnu/SbucheckCommandCheck/F90/_jacobi.F90:90
tst{0}: 2.571197932162749e-06
tst{0}: Breakpoint 1, jacobimod::jacobi at /scratch/snx1600tds/piccinal/reframe/stage/dom/login/PrgEnv-gnu/SbucheckCommandCheck/F90/_jacobi.F90:90
tst{0}: 2.570939280338461e-06
tst{0}: Breakpoint 1, jacobimod::jacobi at /scratch/snx1600tds/piccinal/reframe/stage/dom/login/PrgEnv-gnu/SbucheckCommandCheck/F90/_jacobi.F90:90
tst{0}: 2.570715790064576e-06
Shutting down debugger and killing application for 'tst'.