[Bug d/87824] x86_64-linux multilib issues

[ibuclaw at gdcproject dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87824

--- Comment #4 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
(In reply to Iain Buclaw from comment #3)
> (In reply to Jakub Jelinek from comment #1)

> > FAIL: runnable/eh.d -O2   execution test
> > FAIL: runnable/eh.d -O2 -shared-libphobos   execution test
> 
> On x86, the EH handling is unable to determine that two independently thrown
> exceptions should be chained together.
> 
> Currently this is determined by comparing the LSDA, but this doesn't work
> when a function is partitioned into hot and cold blocks.
> 
> 

Having -fno-reorder-blocks-and-partitions the default is also enough for
exception chaining to work as expected.