* gcc-interface/ada-tree.h (DECL_RENAMING_GLOBAL_P): Rename into...
(DECL_GLOBAL_NONCONSTANT_RENAMING_P): ...this.
* gcc-interface/gigi.h (record_global_renaming_pointer): Delete.
(invalidate_global_renaming_pointers): Likewise.
(record_global_nonconstant_renaming): New.
(invalidate_global_nonconstant_renamings): Likewise.
(get_inner_constant_reference): Likewise.
(gnat_constant_reference_p): Likewise.
* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Adjust to above
and register the renaming pointer only if the object is non-constant.
(elaborate_expression_1): Call get_inner_constant_reference instead
of get_inner_reference.
* gcc-interface/trans.c (fold_constant_decl_in_expr): Minor tweak.
(Identifier_to_gnu): Adjust to above and do not recheck the renamed
object before substituting it.
(Compilation_Unit_to_gnu): Adjust to above renaming. Minor tweaks.
(gnat_to_gnu) <N_Object_Renaming_Declaration>: Do not return the
result at the global level.
(N_Exception_Renaming_Declaration): Likewise.
* gcc-interface/utils.c (global_renaming_pointers): Rename into...
(global_nonconstant_renamings): ...this.
(destroy_gnat_utils): Adjust to above renaming.
(record_global_renaming_pointer): Rename into...
(record_global_nonconstant_renaming): ...this.
(invalidate_global_renaming_pointers): Rename into...
(invalidate_global_nonconstant_renamings): ...this and do not recheck
the renamed object before invalidating.
* gcc-interface/utils2.c (gnat_stabilize_reference): Minor tweak.
(get_inner_constant_reference): New public function.
(gnat_constant_reference_p): New predicate.
From-SVN: r223644
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