Vendor import of clang release_40 branch r295380:vendor/clang/clang-release_40-r295380

https://llvm.org/svn/llvm-project/cfe/branches/release_40@295380

1 files changed, 19 insertions, 0 deletions

diff --git a/test/CodeGen/object-size.c b/test/CodeGen/object-size.c
index fe4c1859a272..a824f554b5f4 100644
--- a/test/CodeGen/object-size.c
+++ b/test/CodeGen/object-size.c
@@ -549,3 +549,22 @@ int incomplete_and_function_types() {
   // CHECK: store i32 0
   gi = __builtin_object_size(incomplete_char_array, 3);
 }
+
+// Flips between the pointer and lvalue evaluator a lot.
+void deeply_nested() {
+  struct {
+    struct {
+      struct {
+        struct {
+          int e[2];
+          char f; // Inhibit our writing-off-the-end check
+        } d[2];
+      } c[2];
+    } b[2];
+  } *a;
+
+  // CHECK: store i32 4
+  gi = __builtin_object_size(&a->b[1].c[1].d[1].e[1], 1);
+  // CHECK: store i32 4
+  gi = __builtin_object_size(&a->b[1].c[1].d[1].e[1], 3);
+}