Make sure to delete LLVM target machine.

code/compiler/13/main.cpp

@@ -93,9 +93,9 @@ void output_llvm(llvm_context& ctx, const std::string& filename) {
         std::string cpu = "generic";
         std::string features = "";
         llvm::TargetOptions options;
-        llvm::TargetMachine* targetMachine =
-            target->createTargetMachine(targetTriple, cpu, features,
-                    options, llvm::Optional<llvm::Reloc::Model>());
+        std::unique_ptr<llvm::TargetMachine> targetMachine(
+                target->createTargetMachine(targetTriple, cpu, features,
+                    options, llvm::Optional<llvm::Reloc::Model>()));
 
         ctx.module.setDataLayout(targetMachine->createDataLayout());
         ctx.module.setTargetTriple(targetTriple);