semantics.c (handle_omp_array_sections_1): Don't ICE when processing_template_decl when checking for bitfields and unions.

	* semantics.c (handle_omp_array_sections_1): Don't ICE when
	processing_template_decl when checking for bitfields and unions.
	Look through REFERENCE_REF_P as base of COMPONENT_REF.
	(finish_omp_clauses): Look through REFERENCE_REF_P even for
	array sections with COMPONENT_REF bases.

	* testsuite/libgomp.c++/target-21.C: New test.

From-SVN: r237554

1 files changed, 173 insertions, 0 deletions

diff --git a/libgomp/testsuite/libgomp.c++/target-21.C b/libgomp/testsuite/libgomp.c++/target-21.C
new file mode 100644
index 0000000..21a2f29
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c++/target-21.C
@@ -0,0 +1,173 @@
+extern "C" void abort ();
+struct T { char t[270]; };
+struct S { int (&x)[10]; int *&y; T t; int &z; S (); ~S (); };
+
+template <int N>
+void
+foo (S s)
+{
+  int err;
+  #pragma omp target map (s.x[0:N], s.y[0:N]) map (s.t.t[16:3]) map (from: err)
+  {
+    err = s.x[2] != 28 || s.y[2] != 37 || s.t.t[17] != 81;
+    s.x[2]++;
+    s.y[2]++;
+    s.t.t[17]++;
+  }
+  if (err || s.x[2] != 29 || s.y[2] != 38 || s.t.t[17] != 82)
+    abort ();
+}
+
+template <int N>
+void
+bar (S s)
+{
+  int err;
+  #pragma omp target map (s.x, s.z)map(from:err)
+  {
+    err = s.x[2] != 29 || s.z != 6;
+    s.x[2]++;
+    s.z++;
+  }
+  if (err || s.x[2] != 30 || s.z != 7)
+    abort ();
+}
+
+template <int N>
+void
+foo2 (S &s)
+{
+  int err;
+  #pragma omp target map (s.x[N:10], s.y[N:10]) map (from: err) map (s.t.t[N+16:N+3])
+  {
+    err = s.x[2] != 30 || s.y[2] != 38 || s.t.t[17] != 81;
+    s.x[2]++;
+    s.y[2]++;
+    s.t.t[17]++;
+  }
+  if (err || s.x[2] != 31 || s.y[2] != 39 || s.t.t[17] != 82)
+    abort ();
+}
+
+template <int N>
+void
+bar2 (S &s)
+{
+  int err;
+  #pragma omp target map (s.x, s.z)map(from:err)
+  {
+    err = s.x[2] != 31 || s.z != 7;
+    s.x[2]++;
+    s.z++;
+  }
+  if (err || s.x[2] != 32 || s.z != 8)
+    abort ();
+}
+
+template <typename U>
+void
+foo3 (U s)
+{
+  int err;
+  #pragma omp target map (s.x[0:10], s.y[0:10]) map (from: err) map (s.t.t[16:3])
+  {
+    err = s.x[2] != 32 || s.y[2] != 39 || s.t.t[17] != 82;
+    s.x[2]++;
+    s.y[2]++;
+    s.t.t[17]++;
+  }
+  if (err || s.x[2] != 33 || s.y[2] != 40 || s.t.t[17] != 83)
+    abort ();
+}
+
+template <typename U>
+void
+bar3 (U s)
+{
+  int err;
+  #pragma omp target map (s.x, s.z)map(from:err)
+  {
+    err = s.x[2] != 33 || s.z != 8;
+    s.x[2]++;
+    s.z++;
+  }
+  if (err || s.x[2] != 34 || s.z != 9)
+    abort ();
+}
+
+template <typename U>
+void
+foo4 (U &s)
+{
+  int err;
+  #pragma omp target map (s.x[0:10], s.y[0:10]) map (from: err) map (s.t.t[16:3])
+  {
+    err = s.x[2] != 34 || s.y[2] != 40 || s.t.t[17] != 82;
+    s.x[2]++;
+    s.y[2]++;
+    s.t.t[17]++;
+  }
+  if (err || s.x[2] != 35 || s.y[2] != 41 || s.t.t[17] != 83)
+    abort ();
+}
+
+template <typename U>
+void
+bar4 (U &s)
+{
+  int err;
+  #pragma omp target map (s.x, s.z)map(from:err)
+  {
+    err = s.x[2] != 35 || s.z != 9;
+    s.x[2]++;
+    s.z++;
+  }
+  if (err || s.x[2] != 36 || s.z != 10)
+    abort ();
+}
+
+int xt[10] = { 1, 2, 28, 3, 4, 5, 6, 7, 8, 9 };
+int yt[10] = { 1, 2, 37, 3, 4, 5, 6, 7, 8, 9 };
+int *yp = yt;
+int zt = 6;
+
+S::S () : x (xt), y (yp), z (zt)
+{
+}
+
+S::~S ()
+{
+}
+
+int
+main ()
+{
+  S s;
+  s.t.t[16] = 5;
+  s.t.t[17] = 81;
+  s.t.t[18] = 9;
+  foo <10> (s);
+  if (s.t.t[17] != 81)
+    abort ();
+  bar <7> (s);
+  foo2 <0> (s);
+  if (s.t.t[17] != 82)
+    abort ();
+  bar2 <21> (s);
+  foo3 <S> (s);
+  if (s.t.t[17] != 82)
+    abort ();
+  bar3 <S> (s);
+  foo4 <S> (s);
+  if (s.t.t[17] != 83)
+    abort ();
+  bar4 <S> (s);
+  s.x[2] -= 4;
+  s.y[2] -= 2;
+  s.z -= 2;
+  s.t.t[17]--;
+  foo3 <S &> (s);
+  if (s.t.t[17] != 83)
+    abort ();
+  bar3 <S &> (s);
+}