regscan x86 abort

[Richard Henderson]

On Tue, Sep 08, 1998 at 12:50:43AM -0600, Jeffrey A Law wrote:
> If you look down in reg_scan_mark_refs, it handles INSN_LISTs explicitly.
> I would be worried that there are cases where we should be looking
> at INSNs.

It wasn't an INSN_LIST, but an EXPR_LIST.

> If no such cases exist, then we should also ignore JUMP_INSNs,
> CALL_INSNs and resolve what to do with INSN_LISTs.

You're right there.

> Did the nil occur in the insn pointed to by the REG_WAS_0 note, or
> was there a nil in the actual note itself?

In the insn pointed to by the REG_WAS_0 note.  It was the 
REG_NOTES entry that was nil, and so nothing even out of
the ordinary.


r~