diff --git a/test/codegen/sample.cpp b/test/codegen/sample.cpp
index f2ebcb3..ba98f51 100644
--- a/test/codegen/sample.cpp
+++ b/test/codegen/sample.cpp
@@ -424,11 +424,19 @@ opt::option<int> option_int_return_none() {
 //$ mov rax, qword ptr [rsp - 0x8]
 //$ ret
 
-//$ @optional_int_return_default_ctor {gcc <11}:
+//$ @optional_int_return_default_ctor {gcc 10..<11}:
 //$ mov dword ptr [rsp - 0xc], 0x0
 //$ mov rax, qword ptr [rsp - 0x10]
 //$ ret
 
+//$ @optional_int_return_default_ctor {gcc <9}:
+//$ xor eax, eax
+//$ mov byte ptr [rsp - 0x9], 0x0
+//$ mov word ptr [rsp - 0xb], ax
+//$ mov byte ptr [rsp - 0xc], 0x0
+//$ mov rax, qword ptr [rsp - 0x10]
+//$ ret
+
 //$ @optional_int_return_default_ctor {msvc}:
 //$ mov byte ptr [rcx + 0x4], 0x0
 //$ mov rax, rcx