re PR ipa/63580 (ICE : error: invalid argument to gimple call)

	PR ipa/63580
        * cgraphunit.c (cgraph_node::create_wrapper):
	TREE_ADDRESSABLE is set to false for a newly created thunk.
	* g++.dg/ipa/pr63580.C: New test.

From-SVN: r217222

gcc/ChangeLog

 2014-11-07  Martin Liska  <mliska@suse.cz>
 
+	PR ipa/63580
+	* cgraphunit.c (cgraph_node::create_wrapper):
+	TREE_ADDRESSABLE is set to false for a newly created thunk.
+
+2014-11-07  Martin Liska  <mliska@suse.cz>
+
 	PR ipa/63747
 	* ipa-icf-gimple.c (func_checker::compare_gimple_switch):
 	Missing checking for CASE_LOW and CASE_HIGH added.

gcc/cgraphunit.c

@@ -2369,6 +2369,14 @@ cgraph_node::create_wrapper (cgraph_node *target)
 
     cgraph_edge *e = create_edge (target, NULL, 0, CGRAPH_FREQ_BASE);
 
+    tree arguments = DECL_ARGUMENTS (decl);
+
+    while (arguments)
+      {
+	TREE_ADDRESSABLE (arguments) = false;
+	arguments = TREE_CHAIN (arguments);
+      }
+
     expand_thunk (false, true);
     e->call_stmt_cannot_inline_p = true;
 

gcc/testsuite/ChangeLog

 2014-11-07  Martin Liska  <mliska@suse.cz>
 
+	PR ipa/63580
+	* g++.dg/ipa/pr63580.C: New test.
+
+2014-11-07  Martin Liska  <mliska@suse.cz>
+
 	PR ipa/63747
 	* gcc.dg/ipa/pr63747.c: New test.
 

gcc/testsuite/g++.dg/ipa/pr63580.C

+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-ipa-icf"  } */
+
+struct A
+{
+};
+template <class L, class R> A operator%(L, R);
+template <class A0, class A1, class A2, class A3>
+void make_tuple (A0 &, A1, A2, A3);
+A
+bar (int p1, char p2, int p3, double p4)
+{
+  A a;
+  make_tuple (p1, p2, p3, p4);
+  return "int; char; string; double; " % a;
+}
+A
+foo (int p1, char p2, int p3, double p4)
+{
+  A b;
+  make_tuple (p1, p2, p3, p4);
+  return "int; char; string; double; " % b;
+}
+
+/* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */
+/* { dg-final { cleanup-ipa-dump "icf" } } */