Fix compiler errors i introduced under clang-cl

remove xe_kernel_export_shim_fn field of Export function_data, trampoline is now the only way exports get invoked
Remove kernelstate argument from string functions in order to conform to the trampoline signature (the argument was unused anyway)
Constant-evaluated initialization of ppc_opcode_disasm_table, removal of unused std::vector fields
Constant-evaluated initialization of export tables
name field on export is just a const char* now, only immutable static strings are ever passed to it
Remove unused callcount field of export.
PM4 compare op function extracted
Globally apply /Oy, /GS-, /Gw on msvc windows
Remove imgui testwindow code call, it took up like 300 kb

premake5.lua

@@ -62,6 +62,12 @@ filter({"configurations:Checked", "platforms:Linux"})
   defines({
     "_GLIBCXX_DEBUG",   -- libstdc++ debug mode
   })
+filter({"configurations:Release", "platforms:Windows"})
+	buildoptions({
+		"/Gw", 
+		"/GS-", 
+		"/Oy"
+	})
 
 filter("configurations:Debug")
   runtime("Release")