USE_FAST_STDIO can affect behaviour, so list it in -V

p4raw-id: //depot/perl@34595

diff --git a/perl.c b/perl.c
index c959815..8d89f31 100644 (file)
--- a/perl.c
+++ b/perl.c
@@ -1878,6 +1878,9 @@ S_parse_body(pTHX_ char **env, XSINIT_t xsinit)
 #  ifdef USE_SITECUSTOMIZE
                             " USE_SITECUSTOMIZE"
 #  endif              
+#  ifdef USE_FAST_STDIO
+                            " USE_FAST_STDIO"
+#  endif              
                                             , 0);
 
                    sv_catpv(opts_prog, PL_bincompat_options);