re PR c++/58702 (ICE with undeclared variable in OpenMP reduction clause)

/cp
2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58702
	* semantics.c (finish_omp_reduction_clause): Check type for
	error_mark_node.

/testsuite
2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58702
	* g++.dg/gomp/pr58702.C: New.

From-SVN: r207235

gcc/cp/ChangeLog

+2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58702
+	* semantics.c (finish_omp_reduction_clause): Check type for
+	error_mark_node.
+
 2014-01-28  Jason Merrill  <jason@redhat.com>
 
 	PR c++/59791

gcc/cp/semantics.c

@@ -5021,7 +5021,9 @@ finish_omp_reduction_clause (tree c, bool *need_default_ctor, bool *need_dtor)
   tree type = TREE_TYPE (t);
   if (TREE_CODE (type) == REFERENCE_TYPE)
     type = TREE_TYPE (type);
-  if (ARITHMETIC_TYPE_P (type))
+  if (type == error_mark_node)
+    return true;
+  else if (ARITHMETIC_TYPE_P (type))
     switch (OMP_CLAUSE_REDUCTION_CODE (c))
       {
       case PLUS_EXPR:

gcc/testsuite/ChangeLog

+2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58702
+	* g++.dg/gomp/pr58702.C: New.
+
 2014-01-29  Dodji Seketeli  <dodji@redhat.com>
 
 	* c-c++-common/cpp/warning-zero-location-2.c: Fix error message

gcc/testsuite/g++.dg/gomp/pr58702.C

+// PR c++/58702
+// { dg-do compile }
+// { dg-options "-fopenmp" }
+
+void foo()
+{
+  x;   // { dg-error "was not declared" }
+#pragma omp parallel for reduction(+:x)
+  for (int i = 0; i < 10; ++i) ;
+}