[Orc] Roll back ThreadPool to std::function

MSVC doesn't allow move-only types in std::packaged_task. Boo.

llvm-svn: 371844

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/examples/SpeculativeJIT/SpeculativeJIT.cpp b/llvm/examples/SpeculativeJIT/SpeculativeJIT.cpp
index 647413cc9c2..1fd1fc92a73 100644
--- a/llvm/examples/SpeculativeJIT/SpeculativeJIT.cpp
+++ b/llvm/examples/SpeculativeJIT/SpeculativeJIT.cpp
@@ -114,7 +114,9 @@ private:
     this->ES->setDispatchMaterialization(
 
         [this](JITDylib &JD, std::unique_ptr<MaterializationUnit> MU) {
-          auto Work = [MU = std::move(MU), &JD] { MU->doMaterialize(JD); };
+          // FIXME: Switch to move capture once we have C++14.
+          auto SharedMU = std::shared_ptr<MaterializationUnit>(std::move(MU));
+          auto Work = [SharedMU, &JD]() { SharedMU->doMaterialize(JD); };
           CompileThreads.async(std::move(Work));
         });
     ExitOnErr(S.addSpeculationRuntime(this->ES->getMainJITDylib(), Mangle));