1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 978c92d..edb2913 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -1964,6 +1964,8 @@ extern rtx delete_insn_and_edges (rtx);
 extern void delete_insn_chain_and_edges (rtx, rtx);
 extern rtx gen_lowpart_SUBREG (enum machine_mode, rtx);
 extern rtx gen_const_mem (enum machine_mode, rtx);
+extern bool validate_subreg (enum machine_mode, enum machine_mode,
+			     rtx, unsigned int);
 
 /* In combine.c */
 extern int combine_instructions (rtx, unsigned int);