diff --git a/gen/statements.cpp b/gen/statements.cpp
index 2d487c8d..665c6698 100644
--- a/gen/statements.cpp
+++ b/gen/statements.cpp
@@ -837,7 +837,7 @@ static LLValue* call_string_switch_runtime(llvm::Value* table, Expression* e)
         fname = "_d_switch_dstring";
     }
     else {
-        llvm_unreachable("not char/wchar/dchar");
+        llvm_unreachable("not char/wchar/dchar");
     }
 
     llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, fname);
@@ -1631,9 +1631,12 @@ void SwitchErrorStatement::toIR(IRState* p)
     args.push_back(c);
 
     // call
-    gIR->CreateCallOrInvoke(fn, args);
+    LLCallSite call = gIR->CreateCallOrInvoke(fn, args);
+    call.setDoesNotReturn();
 
+#if DMDV1
     gIR->ir->CreateUnreachable();
+#endif
 }
 
 //////////////////////////////////////////////////////////////////////////////