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Re: [RFA:] Handle NOTE_INSN_DELETED_LABELs in output_addr_const
- To: rth at redhat dot com
- Subject: Re: [RFA:] Handle NOTE_INSN_DELETED_LABELs in output_addr_const
- From: Hans-Peter Nilsson <hans-peter dot nilsson at axis dot com>
- Date: Sat, 29 Sep 2001 10:51:49 +0200
- CC: hans-peter dot nilsson at axis dot com, gcc-patches at gcc dot gnu dot org
> Date: Wed, 26 Sep 2001 13:38:02 -0700
> From: Richard Henderson <rth@redhat.com>
> On Tue, Sep 25, 2001 at 10:07:40AM +0200, Hans-Peter Nilsson wrote:
> > A forgotten case of label-turned-note/deleted-for-flow-purposes;
> > output_addr_const couldn't output it. [...]
> > The pseudo-deleted label seems to be the address of a landing pad set up
> > from the "normal flow", so the deletedness seems correct.
>
> Maybe, maybe not. From whence does the remaining reference
> originate? If it's the sjlj setup code, did we really remove
> all calls that could throw in that function?
Yes, the only call remaining in that function was to a sjlj
register function (_Unwind_SjLj_Register) with the deleted label
put in a struct which seemed to (by-ref) be one of the
arguments.
brgds, H-P