1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr80334.C b/gcc/testsuite/g++.dg/torture/pr80334.C
new file mode 100644
index 00000000000..aee15487636
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr80334.C
@@ -0,0 +1,18 @@
+// { dg-do run }
+
+struct A { alignas(16) char c; };
+struct B { A unpacked; char d; } __attribute__((packed));
+
+char x;
+
+int
+main()
+{
+  alignas(__BIGGEST_ALIGNMENT__) B b[3];
+  for (int i = 0; i < 3; i++) b[i].unpacked.c = 'a' + i;
+  for (int i = 0; i < 3; i++)
+    {
+      auto a = new A(b[i].unpacked);
+      x = a->c;
+    }
+}