fix #460 - `super` dot completion is wrong

dsymbol

@@ -1 +1 @@
-Subproject commit 239b137b280c06864b73fcc1d00b75e06568d4c2
+Subproject commit 9d3711ae6db776343bf39d73551f3f86ea97591f

dub.json

@@ -7,7 +7,7 @@
   ],
   "license": "GPL-3.0",
   "dependencies": {
-    "dsymbol": "~>0.3.0",
+    "dsymbol": "~>0.3.1",
     "libdparse": "~>0.8.0",
     "msgpack-d": "~>1.0.0-beta.3",
     "stdx-allocator": "~>2.77.0"

tests/tc_super_scope/expected3.txt

@@ -0,0 +1,11 @@
+identifiers
+__monitor	v
+__vptr	v
+alignof	k
+classinfo	v
+init	k
+mangleof	k
+sizeof	k
+stringof	k
+testB	f
+tupleof	k

tests/tc_super_scope/file.d

@@ -0,0 +1 @@
+class A {void testA(){super.}} class B {void testB(){super.}} class C : B {void testC(){super.}}

tests/tc_super_scope/run.sh

@@ -0,0 +1,11 @@
+set -e
+set -u
+
+../../bin/dcd-client $1 file.d -c28 > actual1.txt
+diff actual1.txt expected1.txt
+
+../../bin/dcd-client $1 file.d -c59 > actual2.txt
+diff actual2.txt expected2.txt
+
+../../bin/dcd-client $1 file.d -c94 > actual3.txt
+diff actual3.txt expected3.txt