Re: GCC 9 backports

["Martin Liška" <mliska@suse.cz>]

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Hi.

There's one more I've tested.

Martin

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From 3b64f64f036c03e74fc4b55327cc07dc1dc21116 Mon Sep 17 00:00:00 2001
From: Martin Liska <mliska@suse.cz>
Date: Fri, 3 Apr 2020 09:39:10 +0200
Subject: [PATCH] Backport 55a7380213a5c16120d5c674fb42b38a3d796b57

gcc/ChangeLog:

2020-04-03  Martin Liska  <mliska@suse.cz>

	PR ipa/94445
	* ipa-icf-gimple.c (func_checker::compare_gimple_call):
	  Compare type attributes for gimple_call_fntypes.
---
 gcc/ipa-icf-gimple.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/ipa-icf-gimple.c b/gcc/ipa-icf-gimple.c
index 25284936bc3..38e0ac12f7e 100644
--- a/gcc/ipa-icf-gimple.c
+++ b/gcc/ipa-icf-gimple.c
@@ -37,6 +37,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "ipa-utils.h"
 #include "tree-eh.h"
 #include "builtins.h"
+#include "attribs.h"
 
 #include "ipa-icf-gimple.h"
 
@@ -768,6 +769,9 @@ func_checker::compare_gimple_call (gcall *s1, gcall *s2)
       || (fntype1 && !types_compatible_p (fntype1, fntype2)))
     return return_false_with_msg ("call function types are not compatible");
 
+  if (fntype1 && fntype2 && comp_type_attributes (fntype1, fntype2) != 1)
+    return return_false_with_msg ("different fntype attributes");
+
   tree chain1 = gimple_call_chain (s1);
   tree chain2 = gimple_call_chain (s2);
   if ((chain1 && !chain2)
-- 
2.26.0