[PATCH] fix PR bootstrap/48471

[Tristan Gingold]

On Apr 6, 2011, at 3:06 AM, Nathan Froyd wrote:

> My changes that moved bits of final.c to dbxout.c caused compilation
> failures on targets that *didn't* enable DBX_DEBUGGING_INFO, since some
> now-static symbols could be unused.  To fix this, the patch below moves
> all the new static variables and two macros that use some of said
> variables below an #ifdef DBX_DEBUGGING_INFO.  Steve Ellcey verified
> that the patch fixes the problems on ia64-hp-hpux11.23 (thanks Steve!)
> and I verified that the changes still bootstrap on
> x86_64-unknown-linux-gnu.
> 
> Committed as obvious.  Sorry about all the build breakage today, not one
> of my better cleanup days...

Nathan,

bootstrap still fails for xcoff targets (eg aix).  I can fix the failure with this patch.

Ok for trunk ?

Tristan.

2011-04-06  Tristan Gingold  <gingold@adacore.com>

	* dbxout.c: (debug_nesting, symbol_queue, symbol_queue_index)
	(symbol_queue_size, DBXOUT_DECR_NESTING)
	(DBXOUT_DECR_NESTING_AND_RETURN): Also define
	if XCOFF_DEBUGGING_INFO.

--- a/gcc/dbxout.c
+++ b/gcc/dbxout.c
@@ -903,7 +903,7 @@ dbxout_finish_complex_stabs (tree sym, stab_code_type code,
   obstack_free (&stabstr_ob, str);
 }
 
-#if defined (DBX_DEBUGGING_INFO)
+#if defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO)
 
 /* When -gused is used, emit debug info for only used symbols. But in
    addition to the standard intercepted debug_hooks there are some
@@ -926,6 +926,10 @@ static int symbol_queue_size = 0;
 #define DBXOUT_DECR_NESTING_AND_RETURN(x) \
   do {--debug_nesting; return (x);} while (0)
 
+#endif /* DBX_DEBUGGING_INFO || XCOFF_DEBUGGING_INFO */
+
+#if defined (DBX_DEBUGGING_INFO)
+
 static void
 dbxout_function_end (tree decl ATTRIBUTE_UNUSED)
 {