[Bug 234672] www/chromium: c++: error: unable to execute command: Segmentation fault (core dumped)

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234672

--- Comment #13 from Bob Prohaska <fbsd at www.zefox.net> ---
There's a seemingly unrelated bug report at
https://github.com/android-ndk/ndk/issues/386
in which an i386 host cross-compiling for arm64 using
clang segfaults repeatedly, much as I'm seeing in, first,
chromium and then buildworld.

IIUC the problem is on the arm64 side of the compiler.
Most curiously, using the suggested workaround of
setting CFLAGS=-O2 in /etc/make.conf seems to help.

On the first buildworld signal 11's were seen early
in buildworld but grew scarce with repetition.
So far it looks as if three OS build and install cycles
might be enough to flush out the problem.

The bug report indicates a fix in place as of nearly
a year ago. I'd think freebsd-arm would have it by now,
 but....

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