The attached patch is a back port of the change from
https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=211067 for
gcc-4_9-branch. Bootstrap and regression tested on
x86_64-apple-darwin14 with Xcode 6.3. Okay for gcc-4_9-branch?
           Jack
2015-04-12  Jack Howarth  <howarth.at....@gmail.com>

        Backport from mainline
        2014-05-29  Mike Stump  <mikest...@comcast.net>
        PR debug/61352
        * collect2.c (maybe_run_lto_and_relink): Be sure to always run
        post ld passes when lto is used.

Index: gcc/collect2.c
===================================================================
--- gcc/collect2.c      (revision 222021)
+++ gcc/collect2.c      (working copy)
@@ -848,6 +848,8 @@ maybe_run_lto_and_relink (char **lto_ld_
       fork_execute ("ld", lto_ld_argv);
       post_ld_pass (false);
     }
+  else
+    post_ld_pass (true);
 }
 
 /* Main program.  */

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