Update compiler optimization flags

sdk/cmake/xtchain.cmake

@@ -11,11 +11,10 @@ endif()
 
 # Set build optimisation
 if(BUILD_TYPE STREQUAL "DEBUG")
-    add_compiler_ccxxflags("/Zi")
+    add_compiler_ccxxflags("/GS- /Zi /Ob0 /Od")
-    add_compiler_ccxxflags("-Ob0 -Od")
     add_linker_flags("/DEBUG /INCREMENTAL /OPT:NOREF /OPT:NOICF /PDBSOURCEPATH:build")
 else()
-    add_compiler_ccxxflags("-Ob2 -Oy")
+    add_compiler_ccxxflags("/GS- /Ob2 /Ot /Ox /Oy")
     add_linker_flags("/INCREMENTAL:NO /OPT:REF /OPT:ICF")
 endif()