TEST: Add test for inner struct pass to func

integration_tests/CMakeLists.txt

@@ -615,6 +615,7 @@ RUN(NAME structs_30 LABELS cpython llvm c)
 RUN(NAME structs_31 LABELS cpython llvm c)
 RUN(NAME structs_32 LABELS cpython llvm c)
 RUN(NAME structs_33 LABELS cpython llvm c)
+RUN(NAME structs_34 LABELS cpython llvm c)
 
 RUN(NAME symbolics_01 LABELS cpython_sym c_sym)
 RUN(NAME symbolics_02 LABELS cpython_sym c_sym)

integration_tests/structs_34.py

@@ -0,0 +1,24 @@
+from lpython import packed, dataclass, ccallable, i32, ccallback
+
+@ccallable
+@packed
+@dataclass
+class struct_0:
+ val_0 : i32 = 613
+
+@ccallable
+@packed
+@dataclass
+class struct_1:
+ val_1 : struct_0 = struct_0()
+
+def print_val_0_in_struct_0(struct_0_instance : struct_0) -> i32:
+ print(struct_0_instance.val_0)
+ return 0
+
+@ccallback
+def entry_point() -> i32:
+ struct_1_instance : struct_1 = struct_1()
+ return print_val_0_in_struct_0(struct_1_instance.val_1)
+
+assert entry_point() == 0