1 files changed, 60 insertions, 0 deletions
diff --git a/offload/test/mapping/declare_mapper_nested_default_mappers_array_subscript.cpp b/offload/test/mapping/declare_mapper_nested_default_mappers_array_subscript.cpp
new file mode 100644
index 000000000000..bf510763526f
--- /dev/null
+++ b/offload/test/mapping/declare_mapper_nested_default_mappers_array_subscript.cpp
@@ -0,0 +1,60 @@
+// RUN: %libomptarget-compilexx-run-and-check-aarch64-unknown-linux-gnu
+// RUN: %libomptarget-compilexx-run-and-check-powerpc64-ibm-linux-gnu
+// RUN: %libomptarget-compilexx-run-and-check-powerpc64le-ibm-linux-gnu
+// RUN: %libomptarget-compilexx-run-and-check-x86_64-pc-linux-gnu
+// RUN: %libomptarget-compilexx-run-and-check-nvptx64-nvidia-cuda
+
+#include <cstdio>
+#include <cstdlib>
+
+typedef struct {
+  int a;
+  double *b;
+} C1;
+#pragma omp declare mapper(C1 s) map(to : s.a) map(from : s.b[0 : 2])
+
+typedef struct {
+  int a;
+  double *b;
+  C1 c;
+} C;
+#pragma omp declare mapper(C s) map(to : s.a, s.c) map(from : s.b[0 : 2])
+
+typedef struct {
+  int e;
+  C f;
+  int h;
+} D;
+
+int main() {
+  constexpr int N = 10;
+  D sa[10];
+  sa[1].e = 111;
+  sa[1].f.a = 222;
+  sa[1].f.c.a = 777;
+  double x[2];
+  double x1[2];
+  x[1] = 20;
+  sa[1].f.b = &x[0];
+  sa[1].f.c.b = &x1[0];
+  sa[1].h = N;
+
+  printf("%d %d %d %4.5f %d\n", sa[1].e, sa[1].f.a, sa[1].f.c.a, sa[1].f.b[1],
+         sa[1].f.b == &x[0] ? 1 : 0);
+  // CHECK: 111 222 777 20.00000 1
+
+  __intptr_t p = reinterpret_cast<__intptr_t>(&x[0]);
+#pragma omp target map(tofrom : sa[1]) firstprivate(p)
+  {
+    printf("%d %d %d\n", sa[1].f.a, sa[1].f.c.a,
+           sa[1].f.b == reinterpret_cast<void *>(p) ? 1 : 0);
+    // CHECK: 222 777 0
+    sa[1].e = 333;
+    sa[1].f.a = 444;
+    sa[1].f.c.a = 555;
+    sa[1].f.b[1] = 40;
+  }
+  printf("%d %d %d %4.5f %d\n", sa[1].e, sa[1].f.a, sa[1].f.c.a, sa[1].f.b[1],
+         sa[1].f.b == &x[0] ? 1 : 0);
+  // CHECK: 333 222 777 40.00000 1
+}