1 files changed, 117 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/range-for7.C b/gcc/testsuite/g++.dg/cpp0x/range-for7.C
new file mode 100644
index 000000000..ad89dc201
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/range-for7.C
@@ -0,0 +1,117 @@
+// PR c++/46056
+// Check that range-based for loop calls destructors 
+// when required
+// { dg-options "-std=c++0x" }
+// { dg-do run }
+extern "C" void abort();
+
+int value_counter = 0, it_counter = 0, seq_counter = 0;
+
+struct Int
+{
+    int x;
+    Int(int v)
+        :x(v)
+    {
+        ++value_counter;
+    }
+    Int(const Int &o)
+        :x(o.x)
+    {
+        ++value_counter;
+    }
+    ~Int()
+    {
+        --value_counter;
+    }
+};
+
+struct iterator
+{
+    int x;
+    iterator(int v) 
+        :x(v) 
+    {
+        ++it_counter;
+    }
+    iterator(const iterator &o)
+        :x(o.x)
+    {
+        ++it_counter;
+    }
+    ~iterator() 
+    {
+        --it_counter;
+    }
+    iterator &operator ++() { ++x; return *this; }
+    int operator *() { return x; }
+    bool operator != (const iterator &o) { return x != o.x; }
+};
+
+struct container
+{
+    int min, max;
+    container(int a, int b) :min(a), max(b)
+    {
+        ++seq_counter;
+    }
+    container(const container &) = delete;
+    ~container()
+    {
+        --seq_counter;
+    }
+};
+
+iterator begin(container &c)
+{
+    return iterator(c.min);
+}
+
+iterator end(container &c)
+{
+    return iterator(c.max + 1);
+}
+
+int main()
+{
+    for (Int x : container(0, 10))
+    {
+        if (value_counter != 1) abort();
+        if (it_counter != 2) abort();
+        if (seq_counter != 1) abort();
+    }
+    if (value_counter != 0) abort();
+    if (it_counter != 0) abort();
+    if (seq_counter != 0) abort();
+
+    try
+    {
+        for (Int x : container(0, 10))
+        {
+            if (value_counter != 1) abort();
+            if (it_counter != 2) abort();
+            if (seq_counter != 1) abort();
+        }
+        if (value_counter != 0) abort();
+        if (it_counter != 0) abort();
+        if (seq_counter != 0) abort();
+
+        for (Int x : container(0, 10))
+        {
+            if (value_counter != 1) abort();
+            if (it_counter != 2) abort();
+            if (seq_counter != 1) abort();
+
+            if (x.x == 5)
+                throw 0;
+        }
+    }
+    catch (int)
+    {
+        if (value_counter != 0) abort();
+        if (it_counter != 0) abort();
+        if (seq_counter != 0) abort();
+    }
+
+    return 0;
+}