Tell icc to compile with 02 as other compilers

cmake/modules/SetUpLinux.cmake

@@ -226,11 +226,11 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL Intel)
   set(CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS}")
 
   # Select flags.
-  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O0 -g -DNDEBUG")
+  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG")
   set(CMAKE_CXX_FLAGS_RELEASE        "-O -DNDEBUG")
   set(CMAKE_CXX_FLAGS_OPTIMIZED      "-O -DNDEBUG")
   set(CMAKE_CXX_FLAGS_DEBUG          "-g")
-  set(CMAKE_C_FLAGS_RELWITHDEBINFO   "-O0 -g -DNDEBUG")
+  set(CMAKE_C_FLAGS_RELWITHDEBINFO   "-O2 -g -DNDEBUG")
   set(CMAKE_C_FLAGS_RELEASE          "-O -DNDEBUG")
   set(CMAKE_C_FLAGS_OPTIMIZED        "-O -DNDEBUG")
   set(CMAKE_C_FLAGS_DEBUG            "-g")