From: Martin Liska <mliska@suse.cz>
Date: Mon, 27 Apr 2020 04:44:29 +0000 (+0200)
Subject: Do not remove ifunc_resolver in LTO.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b9dbb436b70938ca2b1ddf0cf2d5ffe2e5725dea;p=gcc.git

Do not remove ifunc_resolver in LTO.

	PR lto/94659
	* cgraph.h (cgraph_node::can_remove_if_no_direct_calls_and_refs_p):
	Do not remove ifunc_resolvers in remove unreachable nodes in LTO.
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 36b5720756a..54cc55c5e8d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2020-04-27  Martin Liska  <mliska@suse.cz>
+
+	PR lto/94659
+	* cgraph.h (cgraph_node::can_remove_if_no_direct_calls_and_refs_p):
+	Do not remove ifunc_resolvers in remove unreachable nodes in LTO.
+
 2020-04-27  Xiong Hu Luo  <luoxhu@linux.ibm.com>
 
 	PR target/91518
diff --git a/gcc/cgraph.h b/gcc/cgraph.h
index 43de3b4a8ac..5ddeb65269b 100644
--- a/gcc/cgraph.h
+++ b/gcc/cgraph.h
@@ -3162,7 +3162,7 @@ cgraph_node::can_remove_if_no_direct_calls_and_refs_p (void)
     return false;
   /* Only COMDAT functions can be removed if externally visible.  */
   if (externally_visible
-      && (!DECL_COMDAT (decl)
+      && ((!DECL_COMDAT (decl) || ifunc_resolver)
 	  || forced_by_abi
 	  || used_from_object_file_p ()))
     return false;