Fix: Correct MSVC generator expression syntax and add /LTCG

Author: ProgrammerKR

CMakeLists.txt

@@ -10,8 +10,9 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 if (MSVC)
   add_compile_options(/W4 /wd4244 /wd4245 /wd4267 /wd4100 /wd4200)
-  add_compile_options($<$<CONFIG:Release>:/O2 /Ot /GL>)
+  add_compile_options($<$<CONFIG:Release>:/O2;/Ot;/GL>)
   add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE)
+  add_link_options($<$<CONFIG:Release>:/LTCG>)
 else()
   add_compile_options(-Wall -Wextra -Wno-sign-compare -Wno-unused-variable -Wno-unused-parameter)
 endif()