From ceb2eddd75882106105b36a8db24ddb555b4cfb2 Mon Sep 17 00:00:00 2001
From: Dmitry Petrashko <dmitry.petrashko@gmail.com>
Date: Thu, 30 Apr 2015 15:18:55 +0200
Subject: Fix two ArrayIndexOutOfBoundsExceptions in TastyBuffer.

---
 src/dotty/tools/dotc/core/pickling/TastyBuffer.scala | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/dotty/tools/dotc/core/pickling/TastyBuffer.scala')

diff --git a/src/dotty/tools/dotc/core/pickling/TastyBuffer.scala b/src/dotty/tools/dotc/core/pickling/TastyBuffer.scala
index a67722227..f57c15a3d 100644
--- a/src/dotty/tools/dotc/core/pickling/TastyBuffer.scala
+++ b/src/dotty/tools/dotc/core/pickling/TastyBuffer.scala
@@ -44,7 +44,8 @@ class TastyBuffer(initialSize: Int) {
 
   /** Write a byte of data. */
   def writeByte(b: Int): Unit = {
-    if (length == bytes.length) bytes = dble(bytes)
+    if (length >= bytes.length)
+      bytes = dble(bytes)
     bytes(length) = b.toByte
     length += 1
   }
@@ -116,6 +117,8 @@ class TastyBuffer(initialSize: Int) {
   def putNat(at: Addr, x: Int, width: Int): Unit = {
     var y = x
     var w = width
+    if(at.index + w >= bytes.length)
+      bytes = dble(bytes)
     var digit = y & 0x7f | 0x80
     while (w > 0) {
       w -= 1
-- 
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