CFG dominator algorithm change to more closely resemble Coopers

Author: JohnDumbell

CMakeLists.txt

@@ -24,7 +24,7 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR
     set(CMAKE_CXX_FLAGS_RELEASE "-O2")
     set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
     #   Enable lots of warnings
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wpedantic -Werror -Wno-deprecated-declarations -Wswitch-enum")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DDEBUG -DUSE_STD_STRING -Wall -Wpedantic -Werror -Wno-deprecated-declarations -Wswitch-enum")
 elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
     #   This would be the place to enable warnings for Windows builds, although
     #   config.inc doesn't seem to do that currently