From e5af08cc1244640ca57e2cf64dd1633b1f5fae46 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Sun, 21 Jan 2018 10:59:09 +0100
Subject: [PATCH] GC add 'string' to dumpNumberOfInstances

---
 lib/system/gc_common.nim | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/system/gc_common.nim b/lib/system/gc_common.nim
index 234b2c18a8..d117c17da6 100644
--- a/lib/system/gc_common.nim
+++ b/lib/system/gc_common.nim
@@ -38,6 +38,11 @@ when defined(nimTypeNames):
       if h == 1: break
 
   proc dumpNumberOfInstances* =
+    # also add the allocated strings to the list of known types:
+    if strDesc.nextType == nil:
+      strDesc.nextType = nimTypeRoot
+      strDesc.name = "string"
+      nimTypeRoot = addr strDesc
     var a: InstancesInfo
     var n = 0
     var it = nimTypeRoot