insn appears multiple times

[Jim Wilson]

Boris Boesler wrote:
>  insn 381 appears in the delay slot and later in another basic block 
> (but same function). These insns are equal but they are not the same, 
> two disjunct pieces of memory.
>  Is this possible?

Yes.  Reorg calls copy_rtx to avoid having shared RTL.  Unsharing the 
insns means that we can do things like set flag bits in one without 
accidentally changing the other.

Jim