re PR middle-end/67517 (ICE in gimplify_scan_omp_clauses)

	PR middle-end/67517
	* gimplify.c (gimplify_scan_omp_clauses): Instead of
	asserting that decl is not specified in octx->variables,
	break out of the loop if it is.

	* c-c++-common/gomp/pr67517.c: New test.

From-SVN: r227608

gcc/ChangeLog

 2015-09-10  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/67517
+	* gimplify.c (gimplify_scan_omp_clauses): Instead of
+	asserting that decl is not specified in octx->variables,
+	break out of the loop if it is.
+
 	PR c++/67514
 	* gimplify.c (gimplify_omp_for): For loop SIMD construct, if
 	iterator is not explicitly determined, but is defined inside

gcc/gimplify.c

@@ -6214,9 +6214,12 @@ gimplify_scan_omp_clauses (tree *list_p, gimple_seq *pre_p,
 		    }
 		  else
 		    break;
-		  gcc_checking_assert (splay_tree_lookup (octx->variables,
-							  (splay_tree_key)
-							  decl) == NULL);
+		  if (splay_tree_lookup (octx->variables,
+					 (splay_tree_key) decl) != NULL)
+		    {
+		      octx = NULL;
+		      break;
+		    }
 		  flags = GOVD_SEEN;
 		  if (!OMP_CLAUSE_LINEAR_NO_COPYIN (c))
 		    flags |= GOVD_FIRSTPRIVATE;

gcc/testsuite/ChangeLog

 2015-09-10  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/67517
+	* c-c++-common/gomp/pr67517.c: New test.
+
 	PR c++/67514
 	* g++.dg/gomp/pr67514.C: New test.
 

gcc/testsuite/c-c++-common/gomp/pr67517.c

+/* PR middle-end/67517 */
+/* { dg-do compile } */
+/* { dg-options "-fopenmp" } */
+
+int
+foo (int x, int y, int z)
+{
+  int i;
+  #pragma omp parallel for simd linear (y : x & 15) linear (x : 16) linear (z : x & 15)
+  for (i = 0; i < 256; ++i)
+    x += 16, y += x & 15, z += x & 15;
+  return x + y + z;
+}