On Thu, 18 Feb 2021, Jakub Jelinek wrote:

> On Thu, Feb 18, 2021 at 01:37:29PM +0100, Richard Biener wrote:
> > The following instructs IPA not to inline calls with VLA parameters
> > and adjusts inlining not to create invalid view-converted VLA
> > parameters on mismatch and makes the error_mark paths with debug
> > stmts actually work.
> > 
> > The first part avoids the ICEs with the testcases already.
> > 
> > Bootstrapped and tested on x86_64-unknown-linux-gnu, does it
> > look sane?
> > 
> > Thanks,
> > Richard.
> > 
> > 2021-02-18  Richard Biener  <rguent...@suse.de>
> > 
> >     PR middle-end/99122
> >     * ipa-fnsummary.c (analyze_function_body): Set
> >     CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
> >     * tree-inline.c (insert_init_debug_bind): Pass NULL for
> >     error_mark_node values.
> >     (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
> >     values.
> >     (setup_one_parameter): Delay force_value_to_type until when
> >     it's needed.
> > 
> >     * gcc.dg/pr99122-1.c: New testcase.
> >     * gcc.dg/pr99122-2.c: Likewise.
> 
> LGTM, but for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99122#c12
> I guess we still need something like Martin's patch.

Yeah.

> Of course it can be fixed incrementally.

Indeed, so I pushed the patch and will work on the followup, but
likely only tomorrow.

Richard.

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