Adjust by-value function vec arguments to by-reference.

gcc/c/ChangeLog:

	* c-parser.c (c_parser_declaration_or_fndef): Adjust by-value function
	vec arguments to by-reference.
	(c_finish_omp_declare_simd): Same.
	(c_parser_compound_statement_nostart): Same.
	(c_parser_for_statement): Same.
	(c_parser_objc_methodprotolist): Same.
	(c_parser_oacc_routine): Same.
	(c_parser_omp_for_loop): Same.
	(c_parser_omp_declare_simd): Same.

gcc/ChangeLog:

	* dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
	arguments to by-reference.
	(iterate_fix_dominators): Same.
	* dominance.h (iterate_fix_dominators): Same.
	* ipa-prop.h: Call auto_vec::to_vec_legacy.
	* tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
	arguments to by-reference.
	(debug_data_dependence_relation): Same.
	(dump_data_dependence_relations): Same.
	* tree-data-ref.h (debug_data_dependence_relation): Same.
	(dump_data_dependence_relations): Same.
	* tree-predcom.c (dump_chains): Same.
	(initialize_root_vars_lm): Same.
	(determine_unroll_factor): Same.
	(replace_phis_by_defined_names): Same.
	(insert_init_seqs): Same.
	(pcom_worker::tree_predictive_commoning_loop): Call
	 auto_vec::to_vec_legacy.
	* tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
	arguments to by-reference.
	* tree-ssa-threadbackward.c (populate_worklist): Same.
	(back_threader::resolve_def): Same.
	* tree-vect-data-refs.c (vect_check_nonzero_value): Same.
	(vect_enhance_data_refs_alignment): Same.
	(vect_check_lower_bound): Same.
	(vect_prune_runtime_alias_test_list): Same.
	(vect_permute_store_chain): Same.
	* tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
	* tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
	* tree-vectorizer.h (vect_permute_store_chain): Same.
	* vec.c (test_init): New function.
	(vec_c_tests): Call new function.
	* vec.h (vec): Declare ctors, dtor, and assignment.
	(auto_vec::vec_to_legacy): New function.
	(vec::copy): Adjust initialization.

1 files changed, 4 insertions, 6 deletions

diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c
index b6f7828..e061baa 100644
--- a/gcc/tree-data-ref.c
+++ b/gcc/tree-data-ref.c
@@ -404,8 +404,7 @@ print_dist_vectors (FILE *outf, vec<lambda_vector> dist_vects,
 /* Dump function for a DATA_DEPENDENCE_RELATION structure.  */
 
 DEBUG_FUNCTION void
-dump_data_dependence_relation (FILE *outf,
-			       struct data_dependence_relation *ddr)
+dump_data_dependence_relation (FILE *outf, const data_dependence_relation *ddr)
 {
   struct data_reference *dra, *drb;
 
@@ -479,7 +478,7 @@ dump_data_dependence_relation (FILE *outf,
 /* Debug version.  */
 
 DEBUG_FUNCTION void
-debug_data_dependence_relation (struct data_dependence_relation *ddr)
+debug_data_dependence_relation (const struct data_dependence_relation *ddr)
 {
   dump_data_dependence_relation (stderr, ddr);
 }
@@ -487,10 +486,9 @@ debug_data_dependence_relation (struct data_dependence_relation *ddr)
 /* Dump into FILE all the dependence relations from DDRS.  */
 
 DEBUG_FUNCTION void
-dump_data_dependence_relations (FILE *file,
-				vec<ddr_p> ddrs)
+dump_data_dependence_relations (FILE *file, const vec<ddr_p> &ddrs)
 {
-  for (data_dependence_relation *ddr : ddrs)
+  for (auto ddr : ddrs)
     dump_data_dependence_relation (file, ddr);
 }