[gcc/devel/gccgo] fix build of targets not implementing add_stmt_cost

[Ian Lance Taylor]

https://gcc.gnu.org/g:cfbbceed1dad352e5be9e2af7b665ae7d9d2537e

commit cfbbceed1dad352e5be9e2af7b665ae7d9d2537e
Author: Richard Biener <rguenther@suse.de>
Date:   Tue May 5 11:25:00 2020 +0200

    fix build of targets not implementing add_stmt_cost
    
    C++ makes mismatched prototype and implementation OK.
    
    2020-05-05  Richard Biener  <rguenther@suse.de>
    
            * targhooks.h (default_add_stmt_cost): Add vec_info * parameter.

Diff:
---
 gcc/targhooks.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/targhooks.h b/gcc/targhooks.h
index 72f3064e8f8..9704d23f1db 100644
--- a/gcc/targhooks.h
+++ b/gcc/targhooks.h
@@ -118,7 +118,8 @@ extern opt_machine_mode default_vectorize_related_mode (machine_mode,
 extern opt_machine_mode default_get_mask_mode (machine_mode);
 extern bool default_empty_mask_is_expensive (unsigned);
 extern void *default_init_cost (class loop *);
-extern unsigned default_add_stmt_cost (void *, int, enum vect_cost_for_stmt,
+extern unsigned default_add_stmt_cost (class vec_info *, void *, int,
+				       enum vect_cost_for_stmt,
 				       class _stmt_vec_info *, int,
 				       enum vect_cost_model_location);
 extern void default_finish_cost (void *, unsigned *, unsigned *, unsigned *);