From: Jan Hubicka <hubicka@ucw.cz>
Date: Mon, 16 Feb 2015 12:28:40 +0000 (+0100)
Subject: re PR ipa/65059 (Chrome LTO: lto1: internal compiler error: in ipa_comdats, at ipa... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=62991c35a8070efed1af4a46f64151cc4e95207e;p=gcc.git

re PR ipa/65059 (Chrome LTO: lto1: internal compiler error: in ipa_comdats, at ipa-comdats.c:360)

Fix PR ipa/65059.

	PR ipa/65059
	* ipa-comdats.c (ipa_comdats): Do not categorize thunks to
	external functions.

From-SVN: r220733
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 893f1124c72..2718a5c4ce3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-02-16  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/65059
+	* ipa-comdats.c (ipa_comdats): Do not categorize thunks to
+	external functions.
+
 2015-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* doc/bugreport.texi: Adjust section titles throughout the file
diff --git a/gcc/ipa-comdats.c b/gcc/ipa-comdats.c
index ad5945f468d..9f43f299dbb 100644
--- a/gcc/ipa-comdats.c
+++ b/gcc/ipa-comdats.c
@@ -328,9 +328,14 @@ ipa_comdats (void)
 
   FOR_EACH_DEFINED_SYMBOL (symbol)
     {
+      struct cgraph_node *fun;
       symbol->aux = NULL; 
       if (!symbol->get_comdat_group ()
 	  && !symbol->alias
+	  /* Thunks to external functions do not need to be categorized.  */
+	  && (!(fun = dyn_cast <cgraph_node *> (symbol))
+	      || !fun->thunk.thunk_p
+	      || fun->function_symbol ()->definition)
 	  && symbol->real_symbol_p ())
 	{
 	  tree *val = map.get (symbol);