[OpenACC] Support C++ "this" in OpenACC directives

2018-10-29  Joseph Myers  <joseph@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>

	* semantics.c (handle_omp_array_sections_1): Allow array sections with
	"this" pointer for OpenACC.

Co-Authored-By: Julian Brown <julian@codesourcery.com>

From-SVN: r265591

2 files changed, 48 insertions, 0 deletions

diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 9c2ae06b4e1..81fae2fb980 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-29  Joseph Myers  <joseph@codesourcery.com>
+	    Julian Brown  <julian@codesourcery.com>
+
+	* testsuite/libgomp.oacc-c++/this.C: New.
+
 2018-09-18  Cesar Philippidis  <cesar@codesourcery.com>
 
 	* plugin/plugin-nvptx.c (struct cuda_map): New.
diff --git a/libgomp/testsuite/libgomp.oacc-c++/this.C b/libgomp/testsuite/libgomp.oacc-c++/this.C
new file mode 100644
index 00000000000..510c690cf87
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-c++/this.C
@@ -0,0 +1,43 @@
+#include <cstdlib>
+#include <iostream>
+using namespace std;
+
+class test {
+  public:
+  int a;
+
+  test ()
+  {
+    a = -1;
+#pragma acc enter data copyin (this[0:1])
+  }
+
+  ~test ()
+  {
+#pragma acc exit data delete (this[0:1])
+  }
+
+  void set (int i)
+  {
+    a = i;
+#pragma acc update device (this[0:1])
+  }
+
+  int get ()
+  {
+#pragma acc update host (this[0:1])
+    return a;
+  }
+};
+
+int
+main ()
+{
+  test t;
+
+  t.set (4);
+  if (t.get () != 4)
+    abort ();
+
+  return 0;
+}