From 1e721705438e2cdc540d266148e743466d9fec22 Mon Sep 17 00:00:00 2001
From: Norbert Runge <nrunge@google.com>
Date: Thu, 12 Oct 2017 23:09:43 +0000
Subject: [PATCH] ICU-13405 prevents double-free-triggered segmentation fault
 by setting pointer to NULL after free.

X-SVN-Rev: 40619
---
 icu4c/source/common/ucnv_ct.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/icu4c/source/common/ucnv_ct.cpp b/icu4c/source/common/ucnv_ct.cpp
index e363193860a..51e31aa4116 100644
--- a/icu4c/source/common/ucnv_ct.cpp
+++ b/icu4c/source/common/ucnv_ct.cpp
@@ -315,6 +315,7 @@ _CompoundTextClose(UConverter *converter) {
         }
 
         uprv_free(converter->extraInfo);
+        converter->extraInfo = NULL;
     }
 }