commit 5f1e09f7fc9572c77ebdfa31eb187683eaf15d74
Author: Jason Merrill <jason@redhat.com>
Date:   Mon Jun 14 01:42:16 2010 -0400

    	* collect2.c (maybe_run_lto_and_relink): If -debug, pass -v down.

diff --git a/gcc/collect2.c b/gcc/collect2.c
index 42db3cb..1931ea7 100644
--- a/gcc/collect2.c
+++ b/gcc/collect2.c
@@ -962,6 +962,9 @@ maybe_run_lto_and_relink (char **lto_ld_argv, char **object_lst,
 
       *lto_c_ptr++ = lto_wrapper;
 
+      if (debug)
+	*lto_c_ptr++ = "-v";
+
       /* Add LTO objects to the wrapper command line.  */
       for (list = lto_objects.first; list; list = list->next)
 	*lto_c_ptr++ = list->name;