https://bugs.freedesktop.org/show_bug.cgi?id=105052
--- Comment #3 from Vinson Lee <v...@freedesktop.org> ---
(In reply to Francisco Jerez from comment #2)
> Created attachment 137473 [details] [review]
> 0001-intel-ir-Fix-invalid-type-aliasing-with-undefined-be.patch
>
> Does it go away with the attached patch? I had it in a branch that was
> making some unrelated changes which just happened to affect the order
> instructions are emitted by GCC in the test_fuzz_compact_instruction()
> function, causing the bit twiddling to be done after the clear_pad_bits()
> call which modifies the same data through a pointer of different type,
> leading to undefined behavior. I had seen this happen on GCC 7.
attachment 137473 fixes the test_eu_compact failure with GCC 8.
Tested-by: Vinson Lee <v...@freedesktop.org>
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