Improve detection of pdumper file and *.eln files

* src/emacs.c (load_pdump_find_executable): Resolve symlinks even
if argv[0] includes leading directories.  (Bug#46790)
10 jobs for feature/native-comp in 165 minutes and 1 second (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Prep Images
passed #18557
prep-image-base

00:04:49

 
  Build Images
passed #18558
build-image-inotify

00:27:31

 
  Platform Images
passed #18559
build-image-filenotify-gio

01:02:13

passed #18560
build-image-gnustep

01:54:35

 
  Platforms
failed #18561
test-filenotify-gio

00:18:04

passed #18562
test-gnustep

00:01:48

 
  Slow
skipped #18566
test-all-inotify
skipped #18563
test-native-bootstrap-speed0
skipped #18564
test-native-bootstrap-speed1
skipped #18565
test-native-bootstrap-speed2
 
Name Stage Failure
failed
test-filenotify-gio Platforms

make: Leaving directory '/checkout/test'
Running after_script
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
test-filenotify-gio-fa65c044
Cleaning up file based variables
ERROR: Job failed: exit code 2