varasm.c (globalize_decl): New fn.

* varasm.c (globalize_decl): New fn.
        (assemble_start_function): Use it.
        (asm_emit_uninitialized): Use it.
        (assemble_alias): Use it.
        (assemble_variable): Use it.

From-SVN: r50738

gcc/testsuite/g++.old-deja/g++.other/comdat3-aux.cc

@@ -0,0 +1,6 @@
+#include "comdat3.h"
+
+void f ()
+{
+  const bool *p = &A<int>::b;
+}

gcc/testsuite/g++.old-deja/g++.other/comdat3.C

@@ -0,0 +1,13 @@
+// Test that duplicate elimination of implicit instantiations of static
+// data members works properly.
+
+// Additional sources: comdat3-aux.cc
+// Additional files: comdat3.h
+
+#include "comdat3.h"
+
+int main ()
+{
+  const bool *p = &A<int>::b;
+  f ();
+}

gcc/testsuite/g++.old-deja/g++.other/comdat3.h

@@ -0,0 +1,8 @@
+template <class T> struct A {
+  static const bool b = false;
+};
+
+template <class T>
+const bool A<T>::b;
+
+void f ();