diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 110745df894..945551eb3a9 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,10 @@
+2015-05-16  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* d-demangle.c (dlang_template_args): Skip over specialized template
+	parameters in mangled symbol.
+	* testsuite/d-demangle-expected: Add coverage and unittest for specialized
+	template parameters.
+
 2015-05-16  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* d-demangle.c (dlang_type): Handle cent and ucent types.
diff --git a/libiberty/d-demangle.c b/libiberty/d-demangle.c
index 05f3a5e4b30..76051054dbc 100644
--- a/libiberty/d-demangle.c
+++ b/libiberty/d-demangle.c
@@ -1383,6 +1383,10 @@ dlang_template_args (string *decl, const char *mangled)
       if (n++)
 	string_append (decl, ", ");
 
+      /* Skip over specialised template prefix.  */
+      if (*mangled == 'H')
+	mangled++;
+
       switch (*mangled)
 	{
 	case 'S': /* Symbol parameter.  */
diff --git a/libiberty/testsuite/d-demangle-expected b/libiberty/testsuite/d-demangle-expected
index e3fd850862e..3182dc77bfb 100644
--- a/libiberty/testsuite/d-demangle-expected
+++ b/libiberty/testsuite/d-demangle-expected
@@ -630,6 +630,10 @@ _D8demangle19__T4testS6symbolTaZv
 demangle.test!(symbol, char)
 #
 --format=dlang
+_D8demangle12__T4testHTaZv
+demangle.test!(char)
+#
+--format=dlang
 _D8demangle13__T4testVPinZv
 demangle.test!(null)
 #
@@ -1050,3 +1054,7 @@ test.main().local()
 --format=dlang
 _D3std6socket12InternetHost221__T13getHostNoSyncVAyaa96_0a09202020206175746f2078203d2068746f6e6c28706172616d293b0a09202020206175746f206865203d20676574686f73746279616464722826782c20342c206361737428696e74294164647265737346616d696c792e494e4554293b0a09TkZ13getHostNoSyncMFkZb
 std.socket.InternetHost.getHostNoSync!("\n\t    auto x = htonl(param);\n\t    auto he = gethostbyaddr(&x, 4, cast(int)AddressFamily.INET);\n\t", uint).getHostNoSync(uint)
+#
+--format=dlang
+_D2gc6config13__T5parseHTfZ5parseFNbNiAxaKAxaKfZb
+gc.config.parse!(float).parse(const(char)[], ref const(char)[], ref float)