fix previous and increase variable tracking limit

Author: bhaller

CMakeLists.txt

@@ -183,14 +183,16 @@ if (ASAN)
 	message(STATUS "ASAN is ${ASAN}")
 	add_compile_options(-fsanitize=address -fno-omit-frame-pointer) # -fno-omit-frame-pointer for better stack traces
 	add_link_options(-fsanitize=address)
+	add_compile_options(-param=max-vartrack-size=1500000) # ASan seems to push this limit, slowing compiles
 endif(ASAN)
 
 # Build with UBSan enabled if requested
-if (ASAN)
+if (UBSAN)
 	message(STATUS "UBSAN is ${UBSAN}")
 	add_compile_options(-fsanitize=undefined -fno-omit-frame-pointer) # -fno-omit-frame-pointer for better stack traces
 	add_link_options(-fsanitize=undefined)
-endif(ASAN)
+	add_compile_options(-param=max-vartrack-size=1500000) # UBSan seems to push this limit, slowing compiles
+endif(UBSAN)
 
 # Report whether the build is parallel or not
 if(PARALLEL)