Bug#861712: [ardour] ardour crash with this sample project

[Toledones]

Package: ardour
Version: 1:5.5.0~dfsg-1+b1
Severity: normal

--- Please enter the report below this line. ---

i'm test recording some stupid things sometime.
but this project make ardour crash when try to open it

i put  a tarball with it:
http://bbs.docksud.com.ar/tmp/testmic.tar.gz

i dont care the project files, i hope that can be useful to help fix ardour crashes.
Saludos!


--- System information. ---
Architecture: 
Kernel:       Linux 4.9.0-2-amd64

Debian Release: 9.0
  500 testing         ftp.debian.org 

--- Package information. ---
Depends                             (Version) | Installed
=============================================-+-======================
ardour-data               (>= 1:5.5.0~dfsg-1) | 1:5.5.0~dfsg-1
ardour-data              (<< 1:5.5.0~dfsg.0~) | 1:5.5.0~dfsg-1
jackd                                         | 5
libarchive13                       (>= 3.0.4) | 3.2.1-6
libasound2                        (>= 1.0.16) | 1.1.3-5
libatk1.0-0                       (>= 1.12.4) | 2.22.0-1
libatkmm-1.6-1v5                  (>= 2.24.0) | 2.24.2-2
libaubio5                                     | 0.4.3-4
libbluetooth3                       (>= 4.91) | 5.43-2
libc6                               (>= 2.22) | 
libcairo2                          (>= 1.2.4) | 
libcairomm-1.0-1v5                (>= 1.12.0) | 
libcurl3-gnutls                   (>= 7.16.2) | 
libcwiid1                  (>= 0.6.00+svn184) | 
libfftw3-single3                   (>= 3.3.5) | 
libflac8                           (>= 1.3.0) | 
libfluidsynth1                  (>= 1.1.6-4~) | 
libfontconfig1                      (>= 2.11) | 
libfreetype6                       (>= 2.2.1) | 
libgcc1                            (>= 1:3.4) | 
libgdk-pixbuf2.0-0                (>= 2.22.0) | 
libglib2.0-0                      (>= 2.31.8) | 
libglibmm-2.4-1v5                 (>= 2.50.0) | 
libgtk2.0-0                       (>= 2.24.0) | 
libgtkmm-2.4-1v5                (>= 1:2.24.0) | 
libjack-jackd2-0        (>= 1.9.10+20150825)  | 
 OR libjack-0.125                             | 
liblilv-0-0                 (>= 0.22.0~dfsg0) | 
liblo7                       (>= 0.26~repack) | 
liblrdf0                       (>= 0.4.0-1.2) | 
libltc11                           (>= 1.2.0) | 
libogg0                           (>= 1.0rc3) | 
libpango-1.0-0                    (>= 1.22.0) | 
libpangocairo-1.0-0               (>= 1.14.0) | 
libpangoft2-1.0-0                 (>= 1.14.0) | 
libpangomm-1.4-1v5                (>= 2.40.0) | 
libqm-dsp0                                    | 
librubberband2                                | 
libsamplerate0                     (>= 0.1.7) | 
libserd-0-0                     (>= 0~svn155) | 
libsigc++-2.0-0v5                  (>= 2.8.0) | 
libsndfile1                       (>= 1.0.20) | 
libsord-0-0                        (>= 0.4.2) | 
libsratom-0-0                (>= 0.4.6~dfsg0) | 
libstdc++6                           (>= 5.2) | 
libsuil-0-0                  (>= 0.6.0~dfsg0) | 
libtag1v5                     (>= 1.9.1-2.2~) | 
libusb-1.0-0                     (>= 2:1.0.8) | 
libvamp-hostsdk3v5                            | 
libvamp-sdk2v5                                | 
libx11-6                                      | 
libxml2                            (>= 2.7.4) | 


Recommends                 (Version) | Installed
====================================-+-===========
ardour-video-timeline                | 1:5.5.0~dfsg-1
iceweasel                            | 
 OR www-browser                      | 


Suggests      (Version) | Installed
=======================-+-===========
jamin                   | 
qjackctl                | 0.4.4-1