I don't think there's a reason to include gimple.h twice... Regtested/bootstrapped on x86_64-linux, will commit as obvious soon.
2013-07-22 Marek Polacek <pola...@redhat.com> * gimplify.c: Don't include gimple.h twice. --- gcc/gimplify.c.mp 2013-07-22 15:29:17.202468003 +0200 +++ gcc/gimplify.c 2013-07-22 15:29:25.891502560 +0200 @@ -42,7 +42,6 @@ along with GCC; see the file COPYING3. #include "pointer-set.h" #include "splay-tree.h" #include "vec.h" -#include "gimple.h" #include "langhooks-def.h" /* FIXME: for lhd_set_decl_assembler_name */ #include "tree-pass.h" /* FIXME: only for PROP_gimple_any */ Marek