1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/expr.h b/gcc/expr.h
index 2d79164..56f504a 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -26,6 +26,9 @@ along with GCC; see the file COPYING3.  If not see
 #include "rtl.h"
 /* For optimize_size */
 #include "flags.h"
+/* For host_integerp, tree_low_cst, fold_convert, size_binop, ssize_int,
+   TREE_CODE, TYPE_SIZE, int_size_in_bytes,    */
+#include "tree-core.h"
 /* For GET_MODE_BITSIZE, word_mode */
 #include "machmode.h"