From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 29 May 2019 21:33:18 +0000 (+0200)
Subject: re PR c++/90598 (Return type of explicit destructor call wrong)
X-Git-Tag: misc/cutover-git~5171
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=874f88c43bc504d49228f53365d2fd565077ecdd;p=thirdparty%2Fgcc.git

re PR c++/90598 (Return type of explicit destructor call wrong)

	PR c++/90598
	* tree.c (lvalue_kind): Return clk_none for expressions with
	with VOID_TYPE_P.

	* g++.dg/cpp0x/pr90598.C: New test.

From-SVN: r271752
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index ee7eab080cbc..647dd7d5ef6e 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2019-05-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/90598
+	* tree.c (lvalue_kind): Return clk_none for expressions with
+	with VOID_TYPE_P.
+
 2019-05-29  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/89875
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index 78139329476d..cd021b7f594e 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -83,6 +83,10 @@ lvalue_kind (const_tree ref)
   if (ref == current_class_ptr)
     return clk_none;
 
+  /* Expressions with cv void type are prvalues.  */
+  if (TREE_TYPE (ref) && VOID_TYPE_P (TREE_TYPE (ref)))
+    return clk_none;
+
   switch (TREE_CODE (ref))
     {
     case SAVE_EXPR:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a0e8b7bc492b..b8fdc2fae1cd 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-05-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/90598
+	* g++.dg/cpp0x/pr90598.C: New test.
+
 2019-05-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/90539
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr90598.C b/gcc/testsuite/g++.dg/cpp0x/pr90598.C
new file mode 100644
index 000000000000..2e77444f9f32
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/pr90598.C
@@ -0,0 +1,16 @@
+// PR c++/90598
+// { dg-do compile { target c++11 } }
+
+struct A {};
+using B = decltype(A ().~A ());
+template <typename T> struct C;
+template <> struct C<void> {};
+C<B> t;
+// PR c++/90598
+// { dg-do compile { target c++11 } }
+
+struct A {};
+using B = decltype(A ().~A ());
+template <typename T> struct C;
+template <> struct C<void> {};
+C<B> t;