EFBIG building www/firefox on 9.99.98/i386

["John D. Baker" <jdbaker%consolidated.net@localhost>]

Building "www/firefox" on NetBSD-current (9.99.98) for i386 fails with:

[...]
gmake[1]: Entering directory '/r0/build/pkgsrc/www/firefox/work/build'
/usr/pkg/bin/gmake recurse_compile
gmake[2]: Entering directory '/r0/build/pkgsrc/www/firefox/work/build'
gmake[3]: Entering directory '/r0/build/pkgsrc/www/firefox/work/build/toolkit/library/rust'
toolkit/library/rust/force-cargo-library-build
/usr/pkg/bin/cargo rustc  --release --frozen --manifest-path /r0/build/pkgsrc/www/firefox/work/firefox-101.0.1/toolkit/library/rust/Cargo.toml -vv  -j1 --lib --target=i586-unknown-netbsd --features 'moz_places webrtc glean_with_gecko glean_disable_upload' --  -Clto=thin
thread '<unnamed>' panicked at 'failed to allocate a guard page: File too large (os error 27)', library/std/src/sys/unix/thread.rs:549:17
stack backtrace:
   0:  0x14a253a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd1e9722596ce9939
   1:  0x14c8848 - core::fmt::write::h648965a32300e6e9
   2:  0x14815c0 - std::io::Write::write_fmt::hada08bb820e9f9a3
   3:  0x148d363 - std::panicking::default_hook::{{closure}}::h7d83bdceda7474ac
   4:  0x148cfcd - std::panicking::default_hook::hc737a737d6eea08d
   5:  0x148da29 - std::panicking::rust_panic_with_hook::ha66e0f29e68f9a17
   6:  0x14a302a - std::panicking::begin_panic_handler::{{closure}}::h9745ccdead55310b
   7:  0x14a266e - std::sys_common::backtrace::__rust_end_short_backtrace::h5c0be277cd331ac6
   8:  0x148d55b - rust_begin_unwind
   9:   0xd0d270 - core::panicking::panic_fmt::hd2fdde3564e5fefc
  10:  0x1489670 - std::sys::unix::thread::guard::init::hc41d64bb0bc740a2
  11:  0x147ca6f - std::rt::init::h133114b78a4cd573
  12:  0x147cc30 - std::rt::lang_start_internal::habffa9bda3d28e31
  13:   0xd6c941 - main
  14:   0xcbaccd - ___start
fatal runtime error: initialization or cleanup bug
gmake[3]: *** [/r0/build/pkgsrc/www/firefox/work/firefox-101.0.1/config/makefiles/rust.mk:434: force-cargo-library-build] Abort trap (core dumped)
gmake[3]: Leaving directory '/r0/build/pkgsrc/www/firefox/work/build/toolkit/library/rust'
gmake[2]: *** [/r0/build/pkgsrc/www/firefox/work/firefox-101.0.1/config/recurse.mk:72: toolkit/library/rust/target] Error 2
gmake[2]: *** Waiting for unfinished jobs....
gmake[3]: Entering directory '/r0/build/pkgsrc/www/firefox/work/build/accessible/basetypes'
gmake[3]: Nothing to be done for 'target-objects'.
gmake[3]: Leaving directory '/r0/build/pkgsrc/www/firefox/work/build/accessible/basetypes'
gmake[3]: Entering directory '/r0/build/pkgsrc/www/firefox/work/build/accessible/aom'
gmake[3]: Nothing to be done for 'target-objects'.
gmake[3]: Leaving directory '/r0/build/pkgsrc/www/firefox/work/build/accessible/aom'
gmake[3]: Entering directory '/r0/build/pkgsrc/www/firefox/work/build/accessible/base'
gmake[3]: Nothing to be done for 'target-objects'.
gmake[3]: Leaving directory '/r0/build/pkgsrc/www/firefox/work/build/accessible/base'
gmake[3]: Entering directory '/r0/build/pkgsrc/www/firefox/work/build/accessible/atk'
gmake[3]: Nothing to be done for 'target-objects'.
gmake[3]: Leaving directory '/r0/build/pkgsrc/www/firefox/work/build/accessible/atk'
gmake[2]: Leaving directory '/r0/build/pkgsrc/www/firefox/work/build'
gmake[1]: *** [/r0/build/pkgsrc/www/firefox/work/firefox-101.0.1/config/recurse.mk:34: compile] Error 2
gmake[1]: Leaving directory '/r0/build/pkgsrc/www/firefox/work/build'
gmake: *** [/r0/build/pkgsrc/www/firefox/work/firefox-101.0.1/config/rules.mk:352: all] Error 2
*** Error code 2

Stop.
make[1]: stopped in /x/pkgsrc/www/firefox
*** Error code 1

Stop.
make: stopped in /x/pkgsrc/www/firefox


The build host is a Dell Optiplex 760 w/quad-core CPU and 12GB RAM.
Although it's amd64-class hardware, it's running the i386 release with
a custom PAE-enabled kernel.

The same setup running netbsd-9/i386 (again w/custom PAE-enabled kernel)
built "www/firefox" sucessfully.  Using pkgsrc-2022Q2 in both cases.

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