--- Comment #8 from Segher Boessenkool <segher at gcc dot> ---
Ah right, I had checking disabled.  Need more coffee I guess.

The insns I see are different:

Trying 19, 20 -> 21:
   19: r106:SI#0=0
   20: r108:SI=zero_extend(r106:SI#0)
   21: r109:SI=r108:SI 0>>0x8
      REG_DEAD r108:SI

(see insn 20); maybe the i3 in #c1 is already modified?

The #c5 patch is okay for trunk, thanks!

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