From: Eric Botcazou <ebotcazou@adacore.com>
Date: Tue, 15 Mar 2016 17:55:39 +0000 (+0000)
Subject: re PR middle-end/69513 (LTO bootstrap fails with bootstrap-profiled during linking... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2396a7b193367c89c65ab8380a8bdcc0d6017e4d;p=gcc.git

re PR middle-end/69513 (LTO bootstrap fails with bootstrap-profiled during linking gnat1 in stagefeedback)

	PR bootstrap/69513
	* dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.

From-SVN: r234226
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f88750a65a1..8909a99e08b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR bootstrap/69513
+	* dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
+
 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 
 	* config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index 6d5e3f540f5..61bf267d6ec 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -27281,12 +27281,15 @@ optimize_location_lists (dw_die_ref die)
 static void
 flush_limbo_die_list (void)
 {
-  limbo_die_node *node, *next_node;
+  limbo_die_node *node;
 
-  for (node = limbo_die_list; node; node = next_node)
+  /* get_context_die calls force_decl_die, which can put new DIEs on the
+     limbo list in LTO mode when nested functions are put in a different
+     partition than that of their parent function.  */
+  while ((node = limbo_die_list))
     {
       dw_die_ref die = node->die;
-      next_node = node->next;
+      limbo_die_list = node->next;
 
       if (die->die_parent == NULL)
 	{
@@ -27324,8 +27327,6 @@ flush_limbo_die_list (void)
 	    }
 	}
     }
-
-  limbo_die_list = NULL;
 }
 
 /* Output stuff that dwarf requires at the end of every file,