From: Ville Voutilainen <ville.voutilainen@gmail.com>
Date: Thu, 20 Nov 2014 21:51:04 +0000 (+0200)
Subject: re PR c++/63959 (G++ misreports volatile int as trivially copyable)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=75bda2e8134c013bc3d02b78e5b8b34022961985;p=gcc.git

re PR c++/63959 (G++ misreports volatile int as trivially copyable)

	PR c++/63959
	* tree.c (trivially_copyable_p): Check for CP_TYPE_VOLATILE_P.

From-SVN: r217893
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 3111050cb62..2c98a7103d1 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2014-11-20  Ville Voutilainen  <ville.voutilainen@gmail.com>
+
+	PR c++/63959
+	* tree.c (trivially_copyable_p): Check for CP_TYPE_VOLATILE_P.
+
 2014-11-20  Trevor Saunders  <tsaunders@mozilla.com>
 
 	* cp-objcp-common.c: Use hash_table instead of htab.
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index 4502273fb57..f8506f512bc 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -3206,7 +3206,7 @@ trivially_copyable_p (const_tree t)
 	    && !TYPE_HAS_COMPLEX_MOVE_ASSIGN (t)
 	    && TYPE_HAS_TRIVIAL_DESTRUCTOR (t));
   else
-    return scalarish_type_p (t);
+    return !CP_TYPE_VOLATILE_P (t) && scalarish_type_p (t);
 }
 
 /* Returns 1 iff type T is a trivial type, as defined in [basic.types] and
diff --git a/gcc/testsuite/g++.dg/ext/is_trivially_constructible1.C b/gcc/testsuite/g++.dg/ext/is_trivially_constructible1.C
index f558538694c..c8663739e7d 100644
--- a/gcc/testsuite/g++.dg/ext/is_trivially_constructible1.C
+++ b/gcc/testsuite/g++.dg/ext/is_trivially_constructible1.C
@@ -33,3 +33,6 @@ SA(__is_trivially_constructible(int,double));
 SA(!__is_trivially_constructible(int,B));
 
 SA(!__is_trivially_constructible(D));
+
+SA(__is_trivially_copyable(int));
+SA(!__is_trivially_copyable(volatile int));
diff --git a/libstdc++-v3/testsuite/20_util/is_trivially_copyable/value.cc b/libstdc++-v3/testsuite/20_util/is_trivially_copyable/value.cc
index c21a5c46772..c8613550ce6 100644
--- a/libstdc++-v3/testsuite/20_util/is_trivially_copyable/value.cc
+++ b/libstdc++-v3/testsuite/20_util/is_trivially_copyable/value.cc
@@ -47,6 +47,8 @@ void test01()
 
   static_assert(test_property<is_trivially_copyable, 
 		int>(true), "");
+  static_assert(test_property<is_trivially_copyable,
+		volatile int>(false), "");
   static_assert(test_property<is_trivially_copyable, 
 		TType>(true), "");
   static_assert(test_property<is_trivially_copyable,