Fix spurious differences when using `ninja diff` (#2294)

* Fix spurious differences when using ninja diff

* Fix some clangd errors/warnings

1 files changed, 18 insertions, 1 deletions

diff --git a/src/d/d_bright_check.cpp b/src/d/d_bright_check.cpp
index 0de3084493..fd758d016f 100644
--- a/src/d/d_bright_check.cpp
+++ b/src/d/d_bright_check.cpp
@@ -11,6 +11,23 @@
 #include "d/d_msg_string.h"
 #include "m_Do/m_Do_controller_pad.h"
 
+// Need 0x10 bytes of padding with no symbol between dBrightCheck_c::__vtable and the end of .data
+// This is likely caused by the vtable of an abstract base class getting put there and then stripped out.
+// Not sure which abstract base class could go there though, so we simulate it with some dummy classes for now.
+class dummy_abstract_class {
+public:
+    virtual void virt_func_0() = 0;
+    virtual void virt_func_1() = 0;
+};
+class dummy_child_class : dummy_abstract_class {
+    virtual void virt_func_0();
+    virtual void virt_func_1();
+};
+static dummy_child_class dummy() {
+    dummy_child_class temp;
+    return temp;
+}
+
 /* 803BB5B0-803BB5BC 0186D0 000C+00 1/1 0/0 0/0 .data            cNullVec__6Z2Calc */
 static u8 cNullVec__6Z2Calc[12] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -135,4 +152,4 @@ void dBrightCheck_c::_draw() {
 void dDlst_BrightCheck_c::draw() {
     J2DGrafContext* graf_ctx = dComIfGp_getCurrentGrafPort();
     Scr->draw(0.0f, 0.0f, graf_ctx);
-}
\ No newline at end of file
+}