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
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 51 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/warn/Wunused-label-3.C b/gcc/testsuite/g++.dg/warn/Wunused-label-3.C
new file mode 100644
index 000000000..7479ca20c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wunused-label-3.C
@@ -0,0 +1,51 @@
+// { dg-do compile }
+// { dg-options "-Wunused-label" }
+
+extern void f9();
+
+template<int i>
+void
+f1()
+{
+  if (i)
+    return;
+
+ l1: f9();				// { dg-warning "not used" }
+ l3: ; f9();				// { dg-warning "not used" }
+ l4: __attribute__ ((unused)) ; f9();
+}
+
+template
+void f1<0>();
+
+template<int i>
+void
+f2()
+{
+  if (i)
+    return;
+
+ l1: f9();				// { dg-warning "not used" }
+ l3: ; f9();				// { dg-warning "not used" }
+ l4: __attribute__ ((unused)) ; f9();
+}
+
+template
+void f2<1>();
+
+template<int i>
+void
+f3()
+{
+  void* lab;
+ l1: f9();
+ l2: __attribute__ ((unused)) ; f9();
+  lab = i ? &&l1 : &&l2;
+  goto *lab;
+}
+
+template
+void f3<0>();
+
+template
+void f3<1>();