[Bug 276269] clang crashes on the port graphics/drawpile on 15 CURRENT armv7

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276269

--- Comment #9 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Johnston from comment #6)

I found my old notes in another bugzilla entry:

QUOTE(outer)
FYI, relative to potential build infrastructure behavior, clang/clang++ has:

QUOTE
-fcrash-diagnostics-dir=<dir>
Specify where to write the crash diagnostics files; defaults to the usual
location for temporary files.
END QUOTE

So redirecting to someplace that poudriere(-devel) with -w includes
in the (compressed) tar archive for build failures is a possibility.
END QUOTE(outer)

Sometimes touching a Makefile with the likes of (partial diff output):

QUOTE
+CFLAGS+=   -fcrash-diagnostics-dir=.
+CPPFLAGS+= -fcrash-diagnostics-dir=.
END QUOTE

allows for that capture in the tar file for the failure if it has been
enabled.

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