1 files changed, 35 insertions, 0 deletions

diff --git a/dynamic-layers/clang-layer/recipes-devtools/clang/files/llvm10-0003-Memory-leak-fix-for-Managed-Static-Mutex.patch b/dynamic-layers/clang-layer/recipes-devtools/clang/files/llvm10-0003-Memory-leak-fix-for-Managed-Static-Mutex.patch
new file mode 100644
index 00000000..3b035f47
--- /dev/null
+++ b/dynamic-layers/clang-layer/recipes-devtools/clang/files/llvm10-0003-Memory-leak-fix-for-Managed-Static-Mutex.patch
@@ -0,0 +1,35 @@
+From cfb18b75e8a353bc7486f337541476a36994b063 Mon Sep 17 00:00:00 2001
+From: juanrod2 <>
+Date: Tue, 22 Dec 2020 08:33:08 +0800
+Subject: [PATCH 3/7] Memory leak fix for Managed Static Mutex
+
+Upstream-Status: Backport [Taken from opencl-clang patches; https://github.com/intel/opencl-clang/blob/ocl-open-100/patches/llvm/0001-Memory-leak-fix-for-Managed-Static-Mutex.patch]
+
+Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
+
+Cleaning a mutex inside ManagedStatic llvm class.
+---
+ llvm/lib/Support/ManagedStatic.cpp | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/llvm/lib/Support/ManagedStatic.cpp b/llvm/lib/Support/ManagedStatic.cpp
+index 053493f72fb5..6571580ccecf 100644
+--- a/llvm/lib/Support/ManagedStatic.cpp
++++ b/llvm/lib/Support/ManagedStatic.cpp
+@@ -76,8 +76,12 @@ void ManagedStaticBase::destroy() const {
+ 
+ /// llvm_shutdown - Deallocate and destroy all ManagedStatic variables.
+ void llvm::llvm_shutdown() {
+-  std::lock_guard<std::recursive_mutex> Lock(*getManagedStaticMutex());
++  getManagedStaticMutex()->lock();
+ 
+   while (StaticList)
+     StaticList->destroy();
++
++  getManagedStaticMutex()->unlock();
++  delete ManagedStaticMutex;
++  ManagedStaticMutex = nullptr;
+ }
+-- 
+2.17.1
+