re PR target/47955 (gcc.dg/stack-usage-1.c fails on m68k-linux)

PR target/47955
* gcc/config/m68k/m68k.c (m68k_expand_prologue): Set
current_function_static_stack_size.

From-SVN: r173260

gcc/ChangeLog

+2011-05-02  Andreas Schwab  <schwab@linux-m68k.org>
+
+	PR target/47955
+	* config/m68k/m68k.c (m68k_expand_prologue): Set
+	current_function_static_stack_size.
+
 2011-05-02   Jan Hubicka  <jh@suse.cz>
 
 	* lto-streamer.c (lto_streamer_cache_insert_1,

gcc/config/m68k/m68k.c

@@ -981,6 +981,10 @@ m68k_expand_prologue (void)
 
   m68k_compute_frame_layout ();
 
+  if (flag_stack_usage)
+    current_function_static_stack_size
+      = current_frame.size + current_frame.offset;
+
   /* If the stack limit is a symbol, we can check it here,
      before actually allocating the space.  */
   if (crtl->limit_stack