[Scummvm-tracker] [ScummVM :: Bugs] #17440: AGS: Maniac Mansion Deluxe crashes on ARMv7 with optimised libretro build

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#17440: AGS: Maniac Mansion Deluxe crashes on ARMv7 with optimised libretro build
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Reporter:  addeps3                               |       Owner:  (none)
    Type:  defect                                |      Status:  new
Priority:  normal                                |   Component:  Engine:
                                                 |  AGS
 Version:                                        |  Resolution:
Keywords:  ARMv7, libretro, webOS,               |        Game:  Maniac
  optimisation, SIGSEGV                          |  Mansion
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Comment (by addeps3):

 Update: Optimisation-level testing

 I have completed three additional ARMv7 libretro builds using the same
 ScummVM commit (176bcd1722557fd907331500fae3e4a75eed1490), with -O1 -g,
 -O2 -g and -O3 -g respectively.

 All three builds retain DWARF debugging information, and GDB successfully
 resolves Graphics::Screen::addDirtyRect() to its source location.

 Initial test results:

 -O0 -g: Game runs, but with audio stuttering and sluggish animation.

 -O1 -g: Game runs flawlessly, with smooth animation and audio. No crash
 observed.

 -O2 -g: Built successfully; gameplay testing pending.

 -O3 -g: Built successfully; gameplay testing pending. The original
 optimised build crashed.

 The -O1 result is particularly encouraging, as it demonstrates that
 optimisation can be enabled without reproducing the crash.

 I will test -O2 and -O3 next and report whether either reproduces the
 original SIGSEGV.
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Ticket URL: <https://bugs.scummvm.org/ticket/17440#comment:1>
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