1 files changed, 20 insertions, 0 deletions
diff --git a/tests/misc/tsizeof4.nim b/tests/misc/tsizeof4.nim
new file mode 100644
index 000000000..94c08ba39
--- /dev/null
+++ b/tests/misc/tsizeof4.nim
@@ -0,0 +1,20 @@
+discard """
+disabled: "arm64"
+"""
+
+# bug #11792
+type
+  m256d {.importc: "__m256d", header: "immintrin.h".} = object
+
+  MyKind = enum
+    k1, k2, k3
+
+  MyTypeObj = object
+    kind: MyKind
+    x: int
+    amount: UncheckedArray[m256d]
+
+
+# The sizeof(MyTypeObj) is not equal to (sizeof(int) + sizeof(MyKind)) due to
+# alignment requirement of m256d, make sure Nim understands that
+doAssert(sizeof(MyTypeObj) > sizeof(int) + sizeof(MyKind))