[ORC] Fix ORC on platforms without indirection support.

Previously this crashed because a nullptr (returned by
createLocalIndirectStubsManagerBuilder() on platforms without
indirection support) functor was unconditionally invoked.

Patch by Andres Freund. Thanks Andres!

llvm-svn: 328687

1 files changed, 5 insertions, 1 deletions

diff --git a/llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp b/llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
index 68397beae63..08aa3a8ce52 100644
--- a/llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
@@ -54,7 +54,11 @@ createLocalCompileCallbackManager(const Triple &T,
 std::function<std::unique_ptr<IndirectStubsManager>()>
 createLocalIndirectStubsManagerBuilder(const Triple &T) {
   switch (T.getArch()) {
-    default: return nullptr;
+    default:
+      return [](){
+        return llvm::make_unique<
+                       orc::LocalIndirectStubsManager<orc::OrcGenericABI>>();
+      };
 
     case Triple::aarch64:
       return [](){