re PR c++/84430 (ICE with #pragma omp simd in lambda)

	PR c++/84430
	* constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.

	* g++.dg/gomp/pr84430.C: New test.

From-SVN: r257820

gcc/cp/ChangeLog

+2018-02-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/84430
+	* constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
+
 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/84348

gcc/cp/constexpr.c

@@ -5604,6 +5604,7 @@ potential_constant_expression_1 (tree t, bool want_rval, bool strict, bool now,
     case OMP_PARALLEL:
     case OMP_TASK:
     case OMP_FOR:
+    case OMP_SIMD:
     case OMP_DISTRIBUTE:
     case OMP_TASKLOOP:
     case OMP_TEAMS:

gcc/testsuite/ChangeLog

 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/84430
+	* g++.dg/gomp/pr84430.C: New test.
+
 	PR tree-optimization/84452
 	* gcc.dg/pr84452.c: New test.
 

gcc/testsuite/g++.dg/gomp/pr84430.C

+// PR c++/84430
+// { dg-do compile { target c++11 } }
+
+void
+foo ()
+{
+  auto a = [] {
+    #pragma omp simd
+    for (int i = 0; i < 10; ++i)
+      ;
+  };
+}