PR c++/26577

        * cvt.c (convert_to_void): Don't automatically load from volatiles
        of TREE_ADDRESSABLE type.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@116554 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/warn/volatile1.C b/gcc/testsuite/g++.dg/warn/volatile1.C
new file mode 100644
index 00000000000..5b1050f9a1c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/volatile1.C
@@ -0,0 +1,12 @@
+// PR c++/26577
+
+struct A
+{
+  A(const A&);
+  A& operator=(const A&);
+  void baz() volatile;
+};
+void A::baz() volatile
+{
+  *this;			// { dg-warning "will not be accessed" }
+}