re PR c++/92084 (ICE: tree check: expected tree that contains 'decl minimal'…

re PR c++/92084 (ICE: tree check: expected tree that contains 'decl minimal' structure, have 'compound_expr' in gimplify_scan_omp_clauses, at gimplify.c:9039)

	PR c++/92084
	* semantics.c (handle_omp_array_sections_1): Temporarily disable
	-fstrong-eval-order also for in_reduction and task_reduction clauses.

	* g++.dg/gomp/pr92084.C: New test.

From-SVN: r276954

gcc/cp/ChangeLog

 2019-10-14  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/92084
+	* semantics.c (handle_omp_array_sections_1): Temporarily disable
+	-fstrong-eval-order also for in_reduction and task_reduction clauses.
+
 	* parser.c (cp_parser_omp_all_clauses): Change bool NESTED_P argument
 	into int NESTED, if it is 2, diagnose missing commas in between
 	clauses.

gcc/cp/semantics.c

@@ -5068,7 +5068,9 @@ handle_omp_array_sections_1 (tree c, tree t, vec<tree> &types,
      saying how many times the side-effects are evaluated is unspecified,
      makes int *a, *b; ... reduction(+:a[a = b, 3:10]) really unspecified.  */
   warning_sentinel s (flag_strong_eval_order,
-		      OMP_CLAUSE_CODE (c) == OMP_CLAUSE_REDUCTION);
+		      OMP_CLAUSE_CODE (c) == OMP_CLAUSE_REDUCTION
+		      || OMP_CLAUSE_CODE (c) == OMP_CLAUSE_IN_REDUCTION
+		      || OMP_CLAUSE_CODE (c) == OMP_CLAUSE_TASK_REDUCTION);
   ret = grok_array_decl (OMP_CLAUSE_LOCATION (c), ret, low_bound, false);
   return ret;
 }

gcc/testsuite/ChangeLog

+2019-10-14  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/92084
+	* g++.dg/gomp/pr92084.C: New test.
+
 2019-10-14  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* gcc.dg/diag-aka-5.h: New test.

gcc/testsuite/g++.dg/gomp/pr92084.C

+// PR c++/92084
+
+void bar (int *, int);
+int baz (int);
+
+void
+foo (int *x, int y)
+{
+#pragma omp taskgroup task_reduction (*: x[baz (y)])
+  bar (x, baz (y));
+}