Add a test for struct with zero-size array

3 files changed, 32 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/abi/empty18.C b/gcc/testsuite/g++.dg/abi/empty18.C
new file mode 100644
index 00000000000..cf850ce2abb
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/empty18.C
@@ -0,0 +1,17 @@
+// PR c++/60336
+// { dg-do run }
+// { dg-options "-Wabi=9 -x c" }
+// { dg-additional-sources "empty18a.c" }
+// { dg-prune-output "command line option" }
+
+#include "empty18.h"
+extern "C" void fun(struct dummy, struct foo);
+
+int main()
+{
+  struct dummy d;
+  struct foo f = { -1, -2, -3, -4, -5 };
+
+  fun(d, f);
+  return 0;
+}
diff --git a/gcc/testsuite/g++.dg/abi/empty18.h b/gcc/testsuite/g++.dg/abi/empty18.h
new file mode 100644
index 00000000000..86e7ecdd211
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/empty18.h
@@ -0,0 +1,9 @@
+struct dummy { int d[0]; };
+struct foo
+{
+  int i1;
+  int i2;
+  int i3;
+  int i4;
+  int i5;
+};
diff --git a/gcc/testsuite/g++.dg/abi/empty18a.c b/gcc/testsuite/g++.dg/abi/empty18a.c
new file mode 100644
index 00000000000..902860bdc01
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/empty18a.c
@@ -0,0 +1,6 @@
+#include "empty18.h"
+void fun(struct dummy d, struct foo f)
+{
+  if (f.i1 != -1)
+    __builtin_abort();
+}