Backout e891f69a7edc

mfbt/Compiler.h

@@ -23,8 +23,8 @@
 #  define MOZ_GCC_VERSION_AT_LEAST(major, minor, patchlevel)          \
      ((__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) \
       >= ((major) * 10000 + (minor) * 100 + (patchlevel)))
-#  if !MOZ_GCC_VERSION_AT_LEAST(4, 6, 0)
-#    error "mfbt (and Gecko) require at least gcc 4.6 to build."
+#  if !MOZ_GCC_VERSION_AT_LEAST(4, 4, 0)
+#    error "mfbt (and Gecko) require at least gcc 4.4 to build."
 #  endif
 
 #elif defined(_MSC_VER)