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Re: Confusion with labels as values

On 6/19/19 11:09 AM, Segher Boessenkool wrote:
> On Wed, Jun 19, 2019 at 09:39:01AM -0600, Jeff Law wrote:
>> A label used as a value, but which is not a jump target will have an
>> indeterminate value -- it'll end up somewhere in its containing
>> function,  that's all we guarantee in that case.
> 
> In gimple it was fine and expected, and expand *did* make a code_label,
> it was just immediately optimised away:
Yea, because it wasn't used as a jump target.  That's why it gets turned
into a NOTE_INSN_DELETED_LABEL rather than just deleted.

Jeff
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