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[Bug rtl-optimization/58826] Runfail on CPU2006 436.cactusADM with after r203377 for core-avx2 target.


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58826

--- Comment #2 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
In fact LRA is responsible for this failure - there is a bug in constant
regeneration. LRA correctly regenerates all occurrences of virtual register
which is not allocated(i.e. it does not has a register) but it must delete its
spill/reload since this virtual register is dead.


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