Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/ExecutionEngine/MCJIT.h b/linux-x64/clang/include/llvm/ExecutionEngine/MCJIT.h
new file mode 100644
index 0000000..66ddb7c
--- /dev/null
+++ b/linux-x64/clang/include/llvm/ExecutionEngine/MCJIT.h
@@ -0,0 +1,38 @@
+//===-- MCJIT.h - MC-Based Just-In-Time Execution Engine --------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file forces the MCJIT to link in on certain operating systems.
+// (Windows).
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_EXECUTIONENGINE_MCJIT_H
+#define LLVM_EXECUTIONENGINE_MCJIT_H
+
+#include "llvm/ExecutionEngine/ExecutionEngine.h"
+#include <cstdlib>
+
+extern "C" void LLVMLinkInMCJIT();
+
+namespace {
+ struct ForceMCJITLinking {
+ ForceMCJITLinking() {
+ // We must reference MCJIT in such a way that compilers will not
+ // delete it all as dead code, even with whole program optimization,
+ // yet is effectively a NO-OP. As the compiler isn't smart enough
+ // to know that getenv() never returns -1, this will do the job.
+ if (std::getenv("bar") != (char*) -1)
+ return;
+
+ LLVMLinkInMCJIT();
+ }
+ } ForceMCJITLinking;
+}
+
+#endif