The error_mark_node is not an OpenMP mappable type.

	gcc/
	* langhooks.c (lhd_omp_mappable_type): The error_mark_node is not
	an OpenMP mappable type.
	gcc/c/
	* c-decl.c (c_decl_attributes): Use
	lang_hooks.types.omp_mappable_type.
	* c-typeck.c (c_finish_omp_clauses): Likewise.
	gcc/testsuite/
	* c-c++-common/gomp/map-1.c: Extend.

From-SVN: r208394

gcc/ChangeLog

+2014-03-07  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* langhooks.c (lhd_omp_mappable_type): The error_mark_node is not
+	an OpenMP mappable type.
+
 2014-03-06  Matthias Klose  <doko@ubuntu.com>
 
 	* Makefile.in (s-mlib): Only pass MULTIARCH_DIRNAME if

gcc/c/ChangeLog

+2014-03-07  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* c-decl.c (c_decl_attributes): Use
+	lang_hooks.types.omp_mappable_type.
+	* c-typeck.c (c_finish_omp_clauses): Likewise.
+
 2014-03-06  Marek Polacek  <polacek@redhat.com>
 
 	PR c/60197

gcc/c/c-decl.c

@@ -4024,7 +4024,7 @@ c_decl_attributes (tree *node, tree attributes, int flags)
 	error ("%q+D in block scope inside of declare target directive",
 	       *node);
       else if (TREE_CODE (*node) == VAR_DECL
-	       && !COMPLETE_TYPE_P (TREE_TYPE (*node)))
+	       && !lang_hooks.types.omp_mappable_type (TREE_TYPE (*node)))
 	error ("%q+D in declare target directive does not have mappable type",
 	       *node);
       else

gcc/c/c-typeck.c

@@ -12032,7 +12032,7 @@ c_finish_omp_clauses (tree clauses)
 	      else
 		{
 		  t = OMP_CLAUSE_DECL (c);
-		  if (!COMPLETE_TYPE_P (TREE_TYPE (t)))
+		  if (!lang_hooks.types.omp_mappable_type (TREE_TYPE (t)))
 		    {
 		      error_at (OMP_CLAUSE_LOCATION (c),
 				"array section does not have mappable type "
@@ -12061,9 +12061,9 @@ c_finish_omp_clauses (tree clauses)
 	    }
 	  else if (!c_mark_addressable (t))
 	    remove = true;
-	  else if (!COMPLETE_TYPE_P (TREE_TYPE (t))
-		   && !(OMP_CLAUSE_CODE (c) == OMP_CLAUSE_MAP
-			&& OMP_CLAUSE_MAP_KIND (c) == OMP_CLAUSE_MAP_POINTER))
+	  else if (!(OMP_CLAUSE_CODE (c) == OMP_CLAUSE_MAP
+		     && OMP_CLAUSE_MAP_KIND (c) == OMP_CLAUSE_MAP_POINTER)
+		   && !lang_hooks.types.omp_mappable_type (TREE_TYPE (t)))
 	    {
 	      error_at (OMP_CLAUSE_LOCATION (c),
 			"%qD does not have a mappable type in %qs clause", t,

gcc/langhooks.c

@@ -524,13 +524,15 @@ lhd_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *c ATTRIBUTE_UNUSED,
 {
 }
 
-/* Return true if TYPE is an OpenMP mappable type.  By default return true
-   if type is complete.  */
+/* Return true if TYPE is an OpenMP mappable type.  */
 
 bool
 lhd_omp_mappable_type (tree type)
 {
-  return COMPLETE_TYPE_P (type);
+  /* Mappable type has to be complete.  */
+  if (type == error_mark_node || !COMPLETE_TYPE_P (type))
+    return false;
+  return true;
 }
 
 /* Common function for add_builtin_function and

gcc/testsuite/ChangeLog

+2014-03-07  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* c-c++-common/gomp/map-1.c: Extend.
+
 2014-03-06  Paul Thomas  <pault@gcc.gnu.org>
 	    Janus Weil  <janus@gcc.gnu.org>
 

gcc/testsuite/c-c++-common/gomp/map-1.c

@@ -8,6 +8,8 @@ int k[10], l[10], m[10], n[10], o;
 int *p;
 int **q;
 int r[4][4][4][4][4];
+extern struct s s1;
+extern struct s s2[1]; /* { dg-error "array type has incomplete element type" "" { target c } } */
 int t[10];
 #pragma omp threadprivate (t)
 #pragma omp declare target
@@ -32,6 +34,10 @@ foo (int g[3][10], int h[4][8], int i[2][10], int j[][9],
     ;
   #pragma omp target map(to: o[2:5]) /* { dg-error "does not have pointer or array type" } */
     ;
+  #pragma omp target map(alloc: s1) /* { dg-error "'s1' does not have a mappable type in 'map' clause" } */
+    ;
+  #pragma omp target map(alloc: s2) /* { dg-error "'s2' does not have a mappable type in 'map' clause" } */
+    ;
   #pragma omp target map(to: a[:][:]) /* { dg-error "array type length expression must be specified" } */
     bar (&a[0][0]); /* { dg-error "referenced in target region does not have a mappable type" } */
   #pragma omp target map(tofrom: b[-1:]) /* { dg-error "negative low bound in array section" } */