[LLVMdev] ReplaceInstWithInst appears to invalidate BB iterator?

[Duncan Sands]

Hi Justin,

> Thanks Duncan. I was able to correct my code to work around that nuance. I was
> under the impression that BasicBlock::iterators mapped onto something similar to
> an STL list which supports erasing arbitrary elements. Thanks for the help!

instructions contain pointers to the next and previous instructions; an
iterator is just a pointer to an instruction that advances by looking at
the value of the instructions "next" pointer.  IIRC.

Ciao, Duncan.