[gn build] Port 188ede2

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/lib/ExecutionEngine/Orc/BUILD.gn

@@ -53,6 +53,7 @@ static_library("Orc") {
     "OrcABISupport.cpp",
     "OrcV2CBindings.cpp",
     "RTDyldObjectLinkingLayer.cpp",
+    "ReOptimizeLayer.cpp",
     "SectCreate.cpp",
     "SimpleRemoteEPC.cpp",
     "SpeculateAnalyses.cpp",

llvm/utils/gn/secondary/llvm/unittests/ExecutionEngine/Orc/BUILD.gn

@@ -33,6 +33,7 @@ unittest("OrcJITTests") {
     "OrcCAPITest.cpp",
     "OrcTestCommon.cpp",
     "RTDyldObjectLinkingLayerTest.cpp",
+    "ReOptimizeLayerTest.cpp",
     "ResourceTrackerTest.cpp",
     "SharedMemoryMapperTest.cpp",
     "SimpleExecutorMemoryManagerTest.cpp",