Allow calling printInOrder from debugger

CMakeLists.txt

@@ -50,10 +50,12 @@ cmake_pop_check_state()
 # https://valgrind.org/docs/manual/manual-core-adv.html#manual-core-adv.clientreq
 include_directories(SYSTEM ${CMAKE_SOURCE_DIR}/third_party/valgrind)
 
-if(APPLE)
-  add_link_options(-Wl,-dead_strip)
-else()
-  add_link_options(-Wl,--gc-sections)
+if(CMAKE_BUILD_TYPE STREQUAL Release)
+  if(APPLE)
+    add_link_options(-Wl,-dead_strip)
+  else()
+    add_link_options(-Wl,--gc-sections)
+  endif()
 endif()
 
 set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")