GTK+3 Application crashes in Debug mode, but runs fine in Release mode?

Question

I am developing a GTK+3 application in C using MSVC (Visual Studio) on windows for a college project. I've run the debugger and found that the application crashes while returning from a libffi call. The stack is corrupted and hence the program's return address is garbage.

The thing is, it runs fine in Release mode, probably due to optimization, but crashes in Debug mode. What could be the cause?

I have no clue how to resolve the problem... Any help would be appreciated.

Here is the part of the code which causes the error:

  ffi_call_win64 (stack, frame, closure);
} // Error here
Exception thrown: read access violation.
pn was 0xFFFFFFFFFFFFFFFB.

MCVE

#include <gtk/gtk.h>

static void on_activate(GtkApplication* app) {
    // Create a new window
    GtkWidget* window = gtk_application_window_new(app);
    // Create a new button
    GtkWidget* button = gtk_button_new_with_label("Hello, World!");
    // When the button is clicked, destroy the window passed as an argument
    g_signal_connect_swapped(button, "clicked", G_CALLBACK(gtk_widget_destroy), window);
    gtk_container_add(GTK_CONTAINER(window), button);
    gtk_widget_show_all(window);
}

int main(int argc, char* argv[]) {
    // Create a new application
    GtkApplication* app = gtk_application_new("com.example.GtkApplication",
        G_APPLICATION_FLAGS_NONE);
    g_signal_connect(app, "activate", G_CALLBACK(on_activate), NULL);
    return g_application_run(G_APPLICATION(app), argc, argv);
}