usr/lib/gcc/mipsel-buildroot-linux-uclibc/5.3.0/plugin/include/all-tree.def

#include "tree.def"
END_OF_BASE_TREE_CODES
#include "c-family/c-common.def"
#include "ada/gcc-interface/ada-tree.def"
#include "cp/cp-tree.def"
#include "java/java-tree.def"
#include "objc/objc-tree.def"