https://sourceware.org/bugzilla/show_bug.cgi?id=30967

--- Comment #10 from Mark Wielaard <mark at klomp dot org> ---
(In reply to Frank Ch. Eigler from comment #7)
> > So my preferred workaround:
> 
> appears to be based on the assumption that truncated bitfields will not
> collide.  Has this assumption been tested?

Most of the values used as discriminators in the test file are unique when
truncated to their 24bit value. Note that the values only need to be unique per
source line. I haven't tested that they are. But this is already much better
than rejecting the whole line table. And all this only really matters for
something actually using the discriminator (worst case some instructions are
grouped together).

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