* io.c (rb_write_error2): get rid of warning on linux. fwrite

  of glibc is tagged __attribute__ ((__warn_unused_result__))
  if _FORTIFY_SOURCE != 0.
* vm_dump.c (rb_vm_bugreport): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/io.c b/io.c
index 1a3e7523ef..3a0ba43097 100644
--- a/io.c
+++ b/io.c
@@ -6596,7 +6596,8 @@ void
 rb_write_error2(const char *mesg, long len)
 {
     if (rb_stderr == orig_stderr || RFILE(orig_stderr)->fptr->fd < 0) {
-	(void)fwrite(mesg, sizeof(char), len, stderr);
+	int unused;
+	unused = fwrite(mesg, sizeof(char), len, stderr);
     }
     else {
 	rb_io_write(rb_stderr, rb_str_new(mesg, len));