Firefox 84.0 fails to build on aarch64

[Benny Siegert <bsiegert%gmail.com@localhost>]

Hi!

On evbarm-aarch64 (that is, on a Pinebook Pro), Firefox 84 compile fails 
with the following error:

In file included from 
/usr/pkgsrc/www/firefox/work/build/dist/include/mozilla/AlreadyAddRefed.h:14:0,
                 from 
/usr/pkgsrc/www/firefox/work/firefox-84.0/js/src/jsapi.h:12,
                 from 
/usr/pkgsrc/www/firefox/work/firefox-84.0/js/src/debugger/DebugScript.h:14,
                 from 
/usr/pkgsrc/www/firefox/work/firefox-84.0/js/src/debugger/DebugScript.cpp:7,
                 from Unified_cpp_js_src_debugger0.cpp:2:
/usr/pkgsrc/www/firefox/work/firefox-84.0/js/src/jit/arm64/Architecture-arm64.h: 
In member function 'constexpr uint32_t js::jit::FloatRegister::size() 
const':
/usr/pkgsrc/www/firefox/work/build/dist/include/mozilla/Assertions.h:44:57: 
error: call to non-constexpr function 'void AnnotateMozCrashReason(const 
char*)'
 #  define MOZ_CRASH_ANNOTATE(...) AnnotateMozCrashReason(__VA_ARGS__)
                                   ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/usr/pkgsrc/www/firefox/work/build/dist/include/mozilla/Assertions.h:224:7: 
note: in expansion of macro 'MOZ_CRASH_ANNOTATE'
       MOZ_CRASH_ANNOTATE("MOZ_CRASH(" __VA_ARGS__ ")"); \
       ^~~~~~~~~~~~~~~~~~
/usr/pkgsrc/www/firefox/work/firefox-84.0/js/src/jit/arm64/Architecture-arm64.h:583:5: 
note: in expansion of macro 'MOZ_CRASH'
     MOZ_CRASH("No SIMD support");
     ^~~~~~~~~
gmake[3]: *** 
[/usr/pkgsrc/www/firefox/work/firefox-84.0/config/rules.mk:676: 
Unified_cpp_js_src_debugger0.o] Error 1
gmake[3]: Leaving directory 
'/usr/pkgsrc/www/firefox/work/build/js/src/debugger'
gmake[2]: *** 
[/usr/pkgsrc/www/firefox/work/firefox-84.0/config/recurse.mk:72: 
js/src/debugger/target-objects] Error 2
gmake[2]: Leaving directory '/usr/pkgsrc/www/firefox/work/build'
gmake[1]: *** 
[/usr/pkgsrc/www/firefox/work/firefox-84.0/config/recurse.mk:34: compile] 
Error 2
gmake[1]: Leaving directory '/usr/pkgsrc/www/firefox/work/build'
gmake: *** [/usr/pkgsrc/www/firefox/work/firefox-84.0/config/rules.mk:355: 
all] Error 2
*** Error code 2


It sounds like there is some architecture-specific code missing. Any 
ideas?

--
Benny