Index: tools/llvm-mc-assemble-fuzzer/llvm-mc-assemble-fuzzer.cpp
===================================================================
--- tools/llvm-mc-assemble-fuzzer/llvm-mc-assemble-fuzzer.cpp
+++ tools/llvm-mc-assemble-fuzzer/llvm-mc-assemble-fuzzer.cpp
@@ -228,8 +228,8 @@
     }
 
     MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
-    MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU,
-                                                      MCOptions);
+    MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions);
+
     Str.reset(TheTarget->createMCObjectStreamer(
         TheTriple, Ctx, std::unique_ptr<MCAsmBackend>(MAB), *OS,
         std::unique_ptr<MCCodeEmitter>(CE), *STI, MCOptions.MCRelaxAll,