From 680ed1065a3701a55f1a800db4d70f08e5ea5194 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Wed, 22 Feb 2017 20:15:43 -0500
Subject: [PATCH] PR c++/79679 - missing destructor for argument

	PR c++/79679 - missing destructor for argument
	* call.c (build_over_call): Don't pass tf_no_cleanup to argument
	conversions.

From-SVN: r245672
---
 gcc/cp/ChangeLog                     |  4 ++++
 gcc/cp/call.c                        | 11 ++++++-----
 gcc/testsuite/g++.dg/init/cleanup4.C | 22 ++++++++++++++++++++++
 3 files changed, 32 insertions(+), 5 deletions(-)
 create mode 100644 gcc/testsuite/g++.dg/init/cleanup4.C

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 9d6a9a6..fb17a19 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,9 @@
 2017-02-22  Jason Merrill  <jason@redhat.com>
 
+	PR c++/79679 - missing destructor for argument
+	* call.c (build_over_call): Don't pass tf_no_cleanup to argument
+	conversions.
+
 	* pt.c (do_class_deduction): Handle 0 argument case.
 
 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
diff --git a/gcc/cp/call.c b/gcc/cp/call.c
index 93fae0d..f7924f0 100644
--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -7838,12 +7838,13 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
       if (flags & LOOKUP_NO_CONVERSION)
 	conv->user_conv_p = true;
 
-      val = convert_like_with_context (conv, arg, fn, i - is_method,
-				       conversion_warning
-				       ? complain
-				       : complain & (~tf_warning));
+      tsubst_flags_t arg_complain = complain & (~tf_no_cleanup);
+      if (!conversion_warning)
+	arg_complain &= ~tf_warning;
 
-      val = convert_for_arg_passing (type, val, complain);
+      val = convert_like_with_context (conv, arg, fn, i - is_method,
+				       arg_complain);
+      val = convert_for_arg_passing (type, val, arg_complain);
 	
       if (val == error_mark_node)
         return error_mark_node;
diff --git a/gcc/testsuite/g++.dg/init/cleanup4.C b/gcc/testsuite/g++.dg/init/cleanup4.C
new file mode 100644
index 0000000..b9769e3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/cleanup4.C
@@ -0,0 +1,22 @@
+// PR c++/79679
+// { dg-do run }
+
+int count;
+struct S {
+    S() { ++count; }
+    S(const S&) { ++count; }
+    ~S() { --count; }
+};
+
+struct T {
+    T(S) {}
+};
+
+int main() {
+  {
+    S s;
+    T u(s);
+  }
+  if (count)
+    __builtin_abort();
+}
-- 
2.7.4