Backboardd crashes causing iPhone reboot

When launching the "Sun Mobile" app (https://itunes.apple.com/gb/app/the-sun-mobile/id485672520?mt=8), the device immediately restarts.
The crash logs show that it was backboardd that crashed causing the restart of the device.
The app runs fine on iPhone 5S (any OS version) or on iPhone 5 prior to iOS 7.1.
This is a serious bug! The whole device is restarted. The screen goes black and the device relaunches to the lock screen.
This is the stacktrace of the thread that crashed.
Thread 5 name: com.apple.CoreAnimation.IOMFB.primary
Thread 5 Crashed:
0   libGPUSupportMercury.dylib              0x32cc78f2 0x32cc6000 + 6386
1   libGPUSupportMercury.dylib              0x32cc83fc 0x32cc6000 + 9212
2   IMGSGX543RC2GLDriver                    0x2cf4dc8e 0x2cf4b000 + 11406
3   IMGSGX543RC2GLDriver                    0x2cf4db74 0x2cf4b000 + 11124
4   GLEngine                                0x303c2058 0x303b3000 + 61528
5   OpenGLES                                0x3048a4cc 0x30484000 + 25804
6   QuartzCore                              0x306db0d2 0x30677000 + 409810
7   QuartzCore                              0x30761698 0x30677000 + 960152
8   QuartzCore                              0x3076624e 0x30677000 + 979534
9   QuartzCore                              0x30763b94 0x30677000 + 969620
10 IOMobileFramebuffer                     0x334a175a 0x3349b000 + 26458
11 IOKit                                   0x2eec25c6 0x2eebf000 + 13766
12 CoreFoundation                          0x2e197c4a 0x2e103000 + 609354
13 CoreFoundation                          0x2e1a283c 0x2e103000 + 653372
14 CoreFoundation                          0x2e1a27d6 0x2e103000 + 653270
15 CoreFoundation                          0x2e1a0fa2 0x2e103000 + 647074
16 CoreFoundation                          0x2e10b7a4 0x2e103000 + 34724
17 CoreFoundation                          0x2e14f3c6 0x2e103000 + 312262
18 QuartzCore                              0x30763a0a 0x30677000 + 969226
19 QuartzCore                              0x30798816 0x30677000 + 1185814
20 libsystem_pthread.dylib                 0x38f88956 0x38f86000 + 10582
21 libsystem_pthread.dylib                 0x38f888c6 0x38f86000 + 10438
22 libsystem_pthread.dylib                 0x38f86ae4 0x38f86000 + 2788
I've filed a radar for this as it is a serious issue with the operating system.
Steps to Reproduce:
Install iOS 7.1 on iPhone 5 or older.
Download the "Sun Mobile" app (https://itunes.apple.com/gb/app/the-sun-mobile/id485672520?mt=8)
Launch the app.

The following is logged to the console as the operating system crashes and restarts:
Mar 12 08:48:42 Sams-iPhone backboardd[193] <Error>: CoreAnimation: rendering error 502
Mar 12 08:48:42 Sams-iPhone kernel[0] <Debug>: IMGSGXResource *IMGSGXGLContext::validateBind(uint32_t, uint32_t, bool): corrupted resource flags: not read or written (obj_id=20)
Mar 12 08:48:42 Sams-iPhone ReportCrash[566] <Notice>: ReportCrash acting against PID 193
Mar 12 08:48:42 Sams-iPhone ReportCrash[566] <Notice>: Formulating crash report for process backboardd[193]
Mar 12 08:48:42 Sams-iPhone kernel[0] <Debug>: The graphics driver has encountered internal error 0x0, 0xfffffffe.
Mar 12 08:48:42 Sams-iPhone kernel[0] <Debug>: virtual void IOMobileFramebuffer::swapping_client_will_stop(IOMobileFramebufferUserClient *), AppleMobileCLCD, client (0x0xa3e9a000) going to wait on swap
Mar 12 08:48:42 Sams-iPhone kernel[0] <Debug>: virtual void IOMobileFramebuffer::swapping_client_will_stop(IOMobileFramebufferUserClient *), AppleMobileCLCD, client (0x0xa3e9a000) exiting wait on swap
Mar 12 08:48:42 Sams-iPhone CLTM[14] <Error>: CLTM: No ALS Event
Mar 12 08:48:43 Sams-iPhone imagent[57] <Warning>: [Warning] Unable to get entitlements for client task. Error: Error Domain=NSPOSIXErrorDomain Code=-1 "The operation couldn’t be completed. (POSIX error -1 - Unknown error: -1)"
Mar 12 08:48:43 Sams-iPhone imagent[57] <Warning>: [Warning] Denying xpc connection, task does not have entitlement: com.apple.private.icfcallserver (SpringBoard:194)
Mar 12 08:48:43 Sams-iPhone imagent[57] <Warning>: [Warning] Denying xpc connection, task does not have entitlement: com.apple.private.icfcallserver (SpringBoard:194)
Mar 12 08:48:43 Sams-iPhone com.apple.launchd[1] (com.apple.backboardd[193]) <Warning>: (com.apple.backboardd) Job appears to have crashed: Segmentation fault: 11

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