On 04/19/2018 02:56 PM, Stephan Bergmann wrote:
Not sure how -Wclass-memaccess is relevant for LTO?
It's much easier to end up with an UBSAN that eventually causes a SEGFAULT.
That's my experience learned from Firefox.
Anyway, had cleaned up LO master the other day to compile with upcoming GCC 8, committing various
improvements (see `git log --grep=-Werror=class-memaccess`). Only a couple places seemed not so
easy to fix (without introducing potential performance regressions), so they remained in the state
of local TODO patches for now:
I see. As mentioned one either needs to be lucky, or to enable -flifetime-dse=1.
Thanks for following the Warnings and doing the clean-up.
Martin
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