From fab1bbad735b87eee91bc09a477bc21973c72881 Mon Sep 17 00:00:00 2001
From: Leon Kiefer <leon.k97@gmx.de>
Date: Sun, 26 Sep 2021 12:56:28 +0200
Subject: [PATCH] fixed duplicate deallocation of stream

streamCtx must be unset after STT_FreeStream was called in STT_FinishStreamWithMetadata, else STT_FreeStream is called again on destruction of STTStream resulting in EXC_BAD_ACCESS errors
---
 native_client/swift/stt_ios/STT.swift | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/native_client/swift/stt_ios/STT.swift b/native_client/swift/stt_ios/STT.swift
index b1705f22..214e5ad2 100644
--- a/native_client/swift/stt_ios/STT.swift
+++ b/native_client/swift/stt_ios/STT.swift
@@ -283,7 +283,10 @@ public class STTStream {
         precondition(streamCtx != nil, "calling method on invalidated Stream")
 
         let result = STT_FinishStreamWithMetadata(streamCtx, UInt32(numResults))!
-        defer { STT_FreeMetadata(result) }
+        defer {
+            STT_FreeMetadata(result)
+            streamCtx = nil
+        }
         return STTMetadata(fromInternal: result)
     }
 }