Index: config.cmake
===================================================================
--- cmake/config.cmake	(revision 67429)
+++ cmake/config.cmake	(working copy)
@@ -10,7 +10,7 @@
 set(TUNE "i686" CACHE STRING
 "Which CPU ReactOS should be optimized for.")
 
-set(OPTIMIZE "4" CACHE STRING
+set(OPTIMIZE "1" CACHE STRING
 "What level of optimization to use.
  0 = Off
  1 = Optimize for size (-Os) with some additional options
Index: gcc.cmake
===================================================================
--- cmake/gcc.cmake	(revision 67429)
+++ cmake/gcc.cmake	(working copy)
@@ -118,6 +118,8 @@
     add_compile_flags("-Wno-maybe-uninitialized")
 endif()
 
+add_compile_flags("-Wno-error=array-bounds")
+
 if(ARCH STREQUAL "amd64")
     add_compile_flags("-Wno-format")
 elseif(ARCH STREQUAL "arm")