Remove -fdebug-types-section compiler flag for debug_fission

gdb (and lldb) fail to recognize symbol files produced with
-fdebug-types-section and -gsplit-dwarf. It comlains about dwarf
version being 0 in dwo files and rejects them.

Author: emutavchi

Source/cmake/OptionsCommon.cmake

@@ -194,6 +194,10 @@ if (DEBUG_FISSION)
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
         set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
     endif ()
+    if (WTF_CPU_ARM)
+        string(REPLACE "-fdebug-types-section" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
+        string(REPLACE "-fdebug-types-section" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+    endif ()
 endif ()
 
 set(GCC_OFFLINEASM_SOURCE_MAP_DEFAULT OFF)