PR tree-optimization/53364
* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
detect a view-conversion of the decl.
* g++.dg/torture/pr53364.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@187589
138bc75d-0d04-0410-961f-
82ee72b054a4
+2012-05-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53364
+ * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
+ detect a view-conversion of the decl.
+
2012-05-15 Jakub Jelinek <jakub@redhat.com>
PR target/53358
+2012-05-16 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/53364
+ * g++.dg/torture/pr53364.C: New testcase.
+
2012-05-15 Jakub Jelinek <jakub@redhat.com>
PR target/53358
--- /dev/null
+// { dg-do run }
+
+extern "C" void abort (void);
+
+template<typename _Tp>
+inline const _Tp&
+min(const _Tp& __a, const _Tp& __b)
+{
+ if (__b < __a)
+ return __b;
+ return __a;
+}
+
+struct A
+{
+ int m_x;
+
+ explicit A(int x) : m_x(x) {}
+ operator int() const { return m_x; }
+};
+
+struct B : public A
+{
+public:
+ explicit B(int x) : A(x) {}
+};
+
+int data = 1;
+
+int main()
+{
+ B b = B(10);
+ b = min(b, B(data));
+ if (b != 1)
+ abort ();
+ return 0;
+}
/* If either reference is view-converted, give up now. */
if (same_type_for_tbaa (TREE_TYPE (base1), TREE_TYPE (ptrtype1)) != 1
- || same_type_for_tbaa (TREE_TYPE (dbase2),
- TREE_TYPE (reference_alias_ptr_type (dbase2))) != 1)
+ || same_type_for_tbaa (TREE_TYPE (dbase2), TREE_TYPE (base2)) != 1)
return true;
/* If both references are through the same type, they do not alias