From cc548fe9cb117d8f1ac19ccd0049e06b84a6922d Mon Sep 17 00:00:00 2001
From: Rainer  Schuetze <r.sagitario@gmx.de>
Date: Sat, 16 Nov 2013 17:35:34 +0100
Subject: [PATCH] fix appenderNewCapacity for curLen == 0, start with minimum
 of 8.

---
 std/array.d | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/std/array.d b/std/array.d
index c30d554c0..4145ca340 100644
--- a/std/array.d
+++ b/std/array.d
@@ -2454,6 +2454,8 @@ struct Appender(A : T[], T)
 //ret sugLen: A suggested growth.
 private size_t appenderNewCapacity(size_t TSizeOf)(size_t curLen, size_t reqLen) @safe pure nothrow
 {
+    if(curLen == 0)
+        return max(reqLen,8);
     ulong mult = 100 + (1000UL) / (bsr(curLen * TSizeOf) + 1);
     // limit to doubling the length, we don't want to grow too much
     if(mult > 200)