[PATCH] Fix up ICEs with TREE_CONSTANT references (PR c++/78373)

[Jakub Jelinek]

On Wed, Dec 07, 2016 at 02:42:12PM -0700, Jeff Law wrote:
> >2016-11-16  Jakub Jelinek  <jakub@redhat.com>
> >
> >	PR c++/78373
> >	* gimplify.c (gimplify_decl_expr): For TREE_CONSTANT reference
> >	vars with is_gimple_min_invariant initializer after stripping
> >	useless conversions keep non-NULL DECL_INITIAL.
> >	(gimplify_var_or_parm_decl): Add fallback argument.  Gimplify
> >	TREE_CONSTANT reference vars with is_gimple_min_invariant initializer
> >	outside of OpenMP contexts to the initializer if fb_rvalue is
> >	allowed.
> >	(gimplify_compound_lval, gimplify_expr): Pass through fallback
> >	argument to gimplify_var_or_parm_decl.
> >	* omp-low.c (lower_omp_regimplify_p): Return non-zero for
> >	TREE_CONSTANT reference vars with is_gimple_min_invariant
> >	initializer.
> >
> >	* g++.dg/opt/pr78373.C: New test.
> >	* g++.dg/gomp/pr78373.C: New test.
> Is this still relevant?

No, Jason has committed a simpler change, see the PR.

	Jakub