diff --git a/src/zig_llvm.cpp b/src/zig_llvm.cpp
index 167e7a162f..6fa6f028dc 100644
--- a/src/zig_llvm.cpp
+++ b/src/zig_llvm.cpp
@@ -311,7 +311,10 @@ ZIG_EXTERN_C bool ZigLLVMTargetMachineEmitToFile(LLVMTargetMachineRef targ_machi
         }
     });
 
-    pass_builder.registerOptimizerEarlyEPCallback([&](ModulePassManager &module_pm, OptimizationLevel OL) {
+    //pass_builder.registerOptimizerEarlyEPCallback([&](ModulePassManager &module_pm, OptimizationLevel OL) {
+    //});
+
+    pass_builder.registerOptimizerLastEPCallback([&](ModulePassManager &module_pm, OptimizationLevel level) {
         // Code coverage instrumentation.
         if (options.sancov) {
             module_pm.addPass(SanitizerCoveragePass(getSanCovOptions(options.coverage)));
@@ -322,9 +325,7 @@ ZIG_EXTERN_C bool ZigLLVMTargetMachineEmitToFile(LLVMTargetMachineRef targ_machi
             module_pm.addPass(ModuleThreadSanitizerPass());
             module_pm.addPass(createModuleToFunctionPassAdaptor(ThreadSanitizerPass()));
         }
-    });
 
-    pass_builder.registerOptimizerLastEPCallback([&](ModulePassManager &module_pm, OptimizationLevel level) {
         // Verify the output
         if (assertions_on) {
             module_pm.addPass(VerifierPass());