[PATCH, Darwin] Update LTO specs to match gcc/gcc.c

[Iain Sandoe]

Hi,

I committed the following as obvious.

thanks
Iain


 2018-08-22  Iain Sandoe  <i...@sandoe.co.uk>

gcc/
 
        * config/darwin.h (LINK_COMMAND_SPEC_A): Sync LTO options with
        the sequence used in gcc/gcc.c.

Index: gcc/config/darwin.h
===================================================================
--- gcc/config/darwin.h (revision 263769)
+++ gcc/config/darwin.h (working copy)
@@ -175,7 +175,7 @@
     %(linker)" \
     LINK_PLUGIN_SPEC \
     "%{flto*:%<fcompare-debug*} \
-    %{flto*} \
+     %{flto} %{fno-lto} %{flto=*} \
     %l " LINK_COMPRESS_DEBUG_SPEC \
    "%X %{s} %{t} %{Z} %{u*} \
     %{e*} %{r} \