obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 233 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/cpp0x/rv7p.C b/gcc/testsuite/g++.dg/cpp0x/rv7p.C
new file mode 100644
index 000000000..94aa07b93
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/rv7p.C
@@ -0,0 +1,233 @@
+// I, Howard Hinnant, hereby place this code in the public domain.
+
+// Test overload resolution among reference types
+
+// { dg-do compile }
+// { dg-options "-std=c++0x" }
+
+template <bool> struct sa;
+template <> struct sa<true> {};
+
+struct one   {long x[1];};
+struct two   {long x[2];};
+struct three {long x[3];};
+struct four  {long x[4];};
+struct five  {long x[5];};
+struct six   {long x[6];};
+struct seven {long x[7];};
+struct eight {long x[8];};
+
+struct A
+{
+    A();
+    A(const volatile A&&);
+};
+
+               A    source();
+const          A  c_source();
+      volatile A  v_source();
+const volatile A cv_source();
+
+// 7 at a time
+
+one   sink_7_1234567(               A&);
+two   sink_7_1234567(const          A&);
+three sink_7_1234567(volatile       A&);
+four  sink_7_1234567(const volatile A&);
+five  sink_7_1234567(               A&&);
+six   sink_7_1234567(const          A&&);
+seven sink_7_1234567(volatile       A&&);
+
+int test7_1234567()
+{
+                   A a;
+    const          A ca;
+          volatile A va;
+    const volatile A cva;
+    sa<sizeof(sink_7_1234567(a))           == 1 * sizeof(long)> t1;
+    sa<sizeof(sink_7_1234567(ca))          == 2 * sizeof(long)> t2;
+    sa<sizeof(sink_7_1234567(va))          == 3 * sizeof(long)> t3;
+    sa<sizeof(sink_7_1234567(cva))         == 4 * sizeof(long)> t4;
+    sa<sizeof(sink_7_1234567(source()))    == 5 * sizeof(long)> t5;
+    sa<sizeof(sink_7_1234567(c_source()))  == 6 * sizeof(long)> t6;
+    sa<sizeof(sink_7_1234567(v_source()))  == 7 * sizeof(long)> t7;
+    return 0;
+}
+
+one   sink_7_1234568(               A&);
+two   sink_7_1234568(const          A&);
+three sink_7_1234568(volatile       A&);
+four  sink_7_1234568(const volatile A&);
+five  sink_7_1234568(               A&&);
+six   sink_7_1234568(const          A&&);
+eight sink_7_1234568(const volatile A&&);
+
+int test7_1234568()
+{
+                   A a;
+    const          A ca;
+          volatile A va;
+    const volatile A cva;
+    sa<sizeof(sink_7_1234568(a))           == 1 * sizeof(long)> t1;
+    sa<sizeof(sink_7_1234568(ca))          == 2 * sizeof(long)> t2;
+    sa<sizeof(sink_7_1234568(va))          == 3 * sizeof(long)> t3;
+    sa<sizeof(sink_7_1234568(cva))         == 4 * sizeof(long)> t4;
+    sa<sizeof(sink_7_1234568(source()))    == 5 * sizeof(long)> t5;
+    sa<sizeof(sink_7_1234568(c_source()))  == 6 * sizeof(long)> t6;
+    sa<sizeof(sink_7_1234568(v_source()))  == 8 * sizeof(long)> t7;
+    sa<sizeof(sink_7_1234568(cv_source())) == 8 * sizeof(long)> t8;
+    return 0;
+}
+
+one   sink_7_1234578(               A&);
+two   sink_7_1234578(const          A&);
+three sink_7_1234578(volatile       A&);
+four  sink_7_1234578(const volatile A&);
+five  sink_7_1234578(               A&&);
+seven sink_7_1234578(volatile       A&&);
+eight sink_7_1234578(const volatile A&&);
+
+int test7_1234578()
+{
+                   A a;
+    const          A ca;
+          volatile A va;
+    const volatile A cva;
+    sa<sizeof(sink_7_1234578(a))           == 1 * sizeof(long)> t1;
+    sa<sizeof(sink_7_1234578(ca))          == 2 * sizeof(long)> t2;
+    sa<sizeof(sink_7_1234578(va))          == 3 * sizeof(long)> t3;
+    sa<sizeof(sink_7_1234578(cva))         == 4 * sizeof(long)> t4;
+    sa<sizeof(sink_7_1234578(source()))    == 5 * sizeof(long)> t5;
+    sa<sizeof(sink_7_1234578(c_source()))  == 8 * sizeof(long)> t6;
+    sa<sizeof(sink_7_1234578(v_source()))  == 7 * sizeof(long)> t7;
+    sa<sizeof(sink_7_1234578(cv_source())) == 8 * sizeof(long)> t8;
+    return 0;
+}
+
+one   sink_7_1234678(               A&);
+two   sink_7_1234678(const          A&);
+three sink_7_1234678(volatile       A&);
+four  sink_7_1234678(const volatile A&);
+six   sink_7_1234678(const          A&&);
+seven sink_7_1234678(volatile       A&&);
+eight sink_7_1234678(const volatile A&&);
+
+int test7_1234678()
+{
+                   A a;
+    const          A ca;
+          volatile A va;
+    const volatile A cva;
+    sa<sizeof(sink_7_1234678(a))           == 1 * sizeof(long)> t1;
+    sa<sizeof(sink_7_1234678(ca))          == 2 * sizeof(long)> t2;
+    sa<sizeof(sink_7_1234678(va))          == 3 * sizeof(long)> t3;
+    sa<sizeof(sink_7_1234678(cva))         == 4 * sizeof(long)> t4;
+    sa<sizeof(sink_7_1234678(c_source()))  == 6 * sizeof(long)> t6;
+    sa<sizeof(sink_7_1234678(v_source()))  == 7 * sizeof(long)> t7;
+    sa<sizeof(sink_7_1234678(cv_source())) == 8 * sizeof(long)> t8;
+    return 0;
+}
+
+one   sink_7_1235678(               A&);
+two   sink_7_1235678(const          A&);
+three sink_7_1235678(volatile       A&);
+five  sink_7_1235678(               A&&);
+six   sink_7_1235678(const          A&&);
+seven sink_7_1235678(volatile       A&&);
+eight sink_7_1235678(const volatile A&&);
+
+int test7_1235678()
+{
+                   A a;
+    const          A ca;
+          volatile A va;
+    const volatile A cva;
+    sa<sizeof(sink_7_1235678(a))           == 1 * sizeof(long)> t1;
+    sa<sizeof(sink_7_1235678(ca))          == 2 * sizeof(long)> t2;
+    sa<sizeof(sink_7_1235678(va))          == 3 * sizeof(long)> t3;
+    sa<sizeof(sink_7_1235678(source()))    == 5 * sizeof(long)> t5;
+    sa<sizeof(sink_7_1235678(c_source()))  == 6 * sizeof(long)> t6;
+    sa<sizeof(sink_7_1235678(v_source()))  == 7 * sizeof(long)> t7;
+    sa<sizeof(sink_7_1235678(cv_source())) == 8 * sizeof(long)> t8;
+    return 0;
+}
+
+one   sink_7_1245678(               A&);
+two   sink_7_1245678(const          A&);
+four  sink_7_1245678(const volatile A&);
+five  sink_7_1245678(               A&&);
+six   sink_7_1245678(const          A&&);
+seven sink_7_1245678(volatile       A&&);
+eight sink_7_1245678(const volatile A&&);
+
+int test7_1245678()
+{
+                   A a;
+    const          A ca;
+          volatile A va;
+    const volatile A cva;
+    sa<sizeof(sink_7_1245678(a))           == 1 * sizeof(long)> t1;
+    sa<sizeof(sink_7_1245678(ca))          == 2 * sizeof(long)> t2;
+    sa<sizeof(sink_7_1245678(va))          == 4 * sizeof(long)> t3;
+    sa<sizeof(sink_7_1245678(cva))         == 4 * sizeof(long)> t4;
+    sa<sizeof(sink_7_1245678(source()))    == 5 * sizeof(long)> t5;
+    sa<sizeof(sink_7_1245678(c_source()))  == 6 * sizeof(long)> t6;
+    sa<sizeof(sink_7_1245678(v_source()))  == 7 * sizeof(long)> t7;
+    sa<sizeof(sink_7_1245678(cv_source())) == 8 * sizeof(long)> t8;
+    return 0;
+}
+
+one   sink_7_1345678(               A&);
+three sink_7_1345678(volatile       A&);
+four  sink_7_1345678(const volatile A&);
+five  sink_7_1345678(               A&&);
+six   sink_7_1345678(const          A&&);
+seven sink_7_1345678(volatile       A&&);
+eight sink_7_1345678(const volatile A&&);
+
+int test7_1345678()
+{
+                   A a;
+    const          A ca;
+          volatile A va;
+    const volatile A cva;
+    sa<sizeof(sink_7_1345678(a))           == 1 * sizeof(long)> t1;
+    sa<sizeof(sink_7_1345678(ca))          == 4 * sizeof(long)> t2;
+    sa<sizeof(sink_7_1345678(va))          == 3 * sizeof(long)> t3;
+    sa<sizeof(sink_7_1345678(cva))         == 4 * sizeof(long)> t4;
+    sa<sizeof(sink_7_1345678(source()))    == 5 * sizeof(long)> t5;
+    sa<sizeof(sink_7_1345678(c_source()))  == 6 * sizeof(long)> t6;
+    sa<sizeof(sink_7_1345678(v_source()))  == 7 * sizeof(long)> t7;
+    sa<sizeof(sink_7_1345678(cv_source())) == 8 * sizeof(long)> t8;
+    return 0;
+}
+
+two   sink_7_2345678(const          A&);
+three sink_7_2345678(volatile       A&);
+four  sink_7_2345678(const volatile A&);
+five  sink_7_2345678(               A&&);
+six   sink_7_2345678(const          A&&);
+seven sink_7_2345678(volatile       A&&);
+eight sink_7_2345678(const volatile A&&);
+
+int test7_2345678()
+{
+                   A a;
+    const          A ca;
+          volatile A va;
+    const volatile A cva;
+    sa<sizeof(sink_7_2345678(ca))          == 2 * sizeof(long)> t2;
+    sa<sizeof(sink_7_2345678(va))          == 3 * sizeof(long)> t3;
+    sa<sizeof(sink_7_2345678(cva))         == 4 * sizeof(long)> t4;
+    sa<sizeof(sink_7_2345678(source()))    == 5 * sizeof(long)> t5;
+    sa<sizeof(sink_7_2345678(c_source()))  == 6 * sizeof(long)> t6;
+    sa<sizeof(sink_7_2345678(v_source()))  == 7 * sizeof(long)> t7;
+    sa<sizeof(sink_7_2345678(cv_source())) == 8 * sizeof(long)> t8;
+    return 0;
+}
+
+int main()
+{
+    return test7_1234567() + test7_1234568() + test7_1234578() + test7_1234678() +
+           test7_1235678() + test7_1245678() + test7_1345678() + test7_2345678();
+}