re PR lto/48467 ([LTO] Anomalous behavior of -save-temps)

2011-04-08  Richard Guenther  <rguenther@suse.de>

	PR lto/48467
	* toplev.c (lang_dependent_init): Do not open asm_out_file
	in WPA mode, nor perform debug machinery initialization.
	(finalize): Do not unlink asm_out_file in WPA mode.

From-SVN: r172181

gcc/ChangeLog

 2011-04-08  Richard Guenther  <rguenther@suse.de>
 
+	PR lto/48467
+	* toplev.c (lang_dependent_init): Do not open asm_out_file
+	in WPA mode, nor perform debug machinery initialization.
+	(finalize): Do not unlink asm_out_file in WPA mode.
+
+2011-04-08  Richard Guenther  <rguenther@suse.de>
+
 	* gimple.h (gimple_call_fntype): New function.
 	(gimple_call_return_type): Use it.
 	* expr.c (expand_expr_real_1): Use gimple_call_fntype.

gcc/toplev.c

@@ -1743,11 +1743,14 @@ lang_dependent_init (const char *name)
     return 0;
   input_location = save_loc;
 
-  init_asm_output (name);
+  if (!flag_wpa)
+    {
+      init_asm_output (name);
 
-  /* If stack usage information is desired, open the output file.  */
-  if (flag_stack_usage)
-    stack_usage_file = open_auxiliary_file ("su");
+      /* If stack usage information is desired, open the output file.  */
+      if (flag_stack_usage)
+	stack_usage_file = open_auxiliary_file ("su");
+    }
 
   /* This creates various _DECL nodes, so needs to be called after the
      front end is initialized.  */
@@ -1756,20 +1759,23 @@ lang_dependent_init (const char *name)
   /* Do the target-specific parts of the initialization.  */
   lang_dependent_init_target ();
 
-  /* If dbx symbol table desired, initialize writing it and output the
-     predefined types.  */
-  timevar_push (TV_SYMOUT);
+  if (!flag_wpa)
+    {
+      /* If dbx symbol table desired, initialize writing it and output the
+	 predefined types.  */
+      timevar_push (TV_SYMOUT);
 
 #if defined DWARF2_DEBUGGING_INFO || defined DWARF2_UNWIND_INFO
-  if (dwarf2out_do_frame ())
-    dwarf2out_frame_init ();
+      if (dwarf2out_do_frame ())
+	dwarf2out_frame_init ();
 #endif
 
-  /* Now we have the correct original filename, we can initialize
-     debug output.  */
-  (*debug_hooks->init) (name);
+      /* Now we have the correct original filename, we can initialize
+	 debug output.  */
+      (*debug_hooks->init) (name);
 
-  timevar_pop (TV_SYMOUT);
+      timevar_pop (TV_SYMOUT);
+    }
 
   return 1;
 }
@@ -1848,8 +1854,6 @@ finalize (bool no_backend)
 	fatal_error ("error writing to %s: %m", asm_file_name);
       if (fclose (asm_out_file) != 0)
 	fatal_error ("error closing %s: %m", asm_file_name);
-      if (flag_wpa)
-	unlink_if_ordinary (asm_file_name);
     }
 
   if (stack_usage_file)