3 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/System/ThreadLocal.cpp b/llvm/lib/System/ThreadLocal.cpp
index e7054b52814..b84a8e7fd6f 100644
--- a/llvm/lib/System/ThreadLocal.cpp
+++ b/llvm/lib/System/ThreadLocal.cpp
@@ -67,6 +67,10 @@ const void* ThreadLocalImpl::getInstance() {
   return pthread_getspecific(*key);
 }
 
+void ThreadLocalImpl::removeInstance() {
+  setInstance(0);
+}
+
 }
 
 #elif defined(LLVM_ON_UNIX)
diff --git a/llvm/lib/System/Unix/ThreadLocal.inc b/llvm/lib/System/Unix/ThreadLocal.inc
index 83d554d3077..6769520a6fb 100644
--- a/llvm/lib/System/Unix/ThreadLocal.inc
+++ b/llvm/lib/System/Unix/ThreadLocal.inc
@@ -22,4 +22,5 @@ ThreadLocalImpl::ThreadLocalImpl() { }
 ThreadLocalImpl::~ThreadLocalImpl() { }
 void ThreadLocalImpl::setInstance(const void* d) { data = const_cast<void*>(d);}
 const void* ThreadLocalImpl::getInstance() { return data; }
+void ThreadLocalImpl::removeInstance() { setInstance(0); }
 }
diff --git a/llvm/lib/System/Win32/ThreadLocal.inc b/llvm/lib/System/Win32/ThreadLocal.inc
index c8f7840b003..b8b933c4d29 100644
--- a/llvm/lib/System/Win32/ThreadLocal.inc
+++ b/llvm/lib/System/Win32/ThreadLocal.inc
@@ -46,4 +46,8 @@ void ThreadLocalImpl::setInstance(const void* d){
   assert(errorcode != 0);
 }
 
+void ThreadLocalImpl::removeInstance() {
+  setInstance(0);
+}
+
 }