diff --git a/examples/example_unrolling_service/loop_unroller/BUILD b/examples/example_unrolling_service/loop_unroller/BUILD
index 3bec18c35..c70be0a16 100644
--- a/examples/example_unrolling_service/loop_unroller/BUILD
+++ b/examples/example_unrolling_service/loop_unroller/BUILD
@@ -6,18 +6,33 @@
 # This package exposes the LLVM optimization pipeline as a CompilerGym service.
 load("@rules_cc//cc:defs.bzl", "cc_binary")
 
+genrule(
+    name = "libLLVMRuntimeDyld",
+    srcs = [
+        "@clang-llvm-10.0.0-x86_64-linux-gnu-ubuntu-18.04//:all_files",
+        "@clang-llvm-10.0.0-x86_64-linux-gnu-ubuntu-18.04//:clang",
+    ],
+    outs = ["libLLVMRuntimeDyld.a"],
+    cmd = "cp $$(dirname $(location @clang-llvm-10.0.0-x86_64-linux-gnu-ubuntu-18.04//:clang))/../lib/libLLVMRuntimeDyld.a $@",
+    visibility = ["//visibility:public"],
+)
+
 cc_binary(
     name = "loop_unroller",
     srcs = [
         "loop_unroller.cc",
+        #"@clang-llvm-10.0.0-x86_64-linux-gnu-ubuntu-18.04//:lib/libLLVMRuntimeDyld.a",
+        ":libLLVMRuntimeDyld",
     ],
     copts = [
         "-Wall",
         "-fdiagnostics-color=always",
         "-fno-rtti",
+        "-force_load",
     ],
     visibility = ["//visibility:public"],
     deps = [
         "@llvm//10.0.0",
+        #":libLLVMRuntimeDyld",
     ],
 )
diff --git a/examples/example_unrolling_service/loop_unroller/loop_unroller.cc b/examples/example_unrolling_service/loop_unroller/loop_unroller.cc
index 29c87559a..cb8d8c1e4 100644
--- a/examples/example_unrolling_service/loop_unroller/loop_unroller.cc
+++ b/examples/example_unrolling_service/loop_unroller/loop_unroller.cc
@@ -72,6 +72,7 @@ class LoopCounter : public llvm::FunctionPass {
  public:
   static char ID;
   std::unordered_map<std::string, int> counts;
+  std::vector<int> line_numbers;
 
   LoopCounter() : FunctionPass(ID) {}
 
@@ -86,6 +87,15 @@ class LoopCounter : public llvm::FunctionPass {
     // Should really account for module, too.
     counts[F.getName().str()] = Loops.size();
 
+    for (auto L : Loops) {
+      // any of these lines throws "dyld: lazy symbol binding failed: Symbol not found" error
+      L->getLoopID()->dump();
+      // L->dump();
+      // L->getLocRange().getStart().dump();
+      // L->getLocRange().getEnd().dump();
+      // line_numbers.push_back( L->getStartLoc().getLine());
+    }
+
     return false;
   }
 };
@@ -114,11 +124,11 @@ class LoopUnrollConfigurator : public llvm::FunctionPass {
     auto Loops = LI.getLoopsInPreorder();
 
     // Should really account for module, too.
-    for (auto ALoop : Loops) {
+    for (auto L : Loops) {
       if (UnrollEnable)
-        addStringMetadataToLoop(ALoop, "llvm.loop.unroll.enable", UnrollEnable);
+        addStringMetadataToLoop(L, "llvm.loop.unroll.enable", UnrollEnable);
       if (UnrollCount)
-        addStringMetadataToLoop(ALoop, "llvm.loop.unroll.count", UnrollCount);
+        addStringMetadataToLoop(L, "llvm.loop.unroll.count", UnrollCount);
     }
 
     return false;
@@ -194,6 +204,9 @@ int main(int argc, char** argv) {
   for (auto& x : Counter->counts) {
     llvm::dbgs() << x.first << ": " << x.second << " loops" << '\n';
   }
+  for (auto& x : Counter->line_numbers) {
+    llvm::dbgs() << x << '\n';
+  }
 
   Out.keep();