gcc.c: Silence warning in check_offload_target_name

gcc/ChangeLog:

	* gcc.c (check_offload_target_name): Cast len argument to
	%q.*s to 'int'; avoid -Wstringop-truncation warning.

diff --git a/gcc/gcc.c b/gcc/gcc.c
index df9b219..9baa7d6 100644 (file)
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -4004,13 +4004,15 @@ check_offload_target_name (const char *target, ptrdiff_t len)
          n = strchr (c, ',');
          if (n == NULL)
            n = strchr (c, '\0');
+         if (n - c == 0)
+           break;
          strncpy (cand, c, n - c);
          cand[n - c] = '\0';
          candidates.safe_push (cand);
          c = *n ? n + 1 : NULL;
        }
       error ("GCC is not configured to support %q.*s as offload target",
-            len, target);
+            (int) len, target);
       const char *hint = candidates_list_and_hint (target, s, candidates);
       if (hint)
        inform (UNKNOWN_LOCATION,