make printInstruction return void since its result is omitted.  Make the 
error condition get trapped with an assert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78449 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp b/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
index 121c7ca..bcdbe00 100644
--- a/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
@@ -79,7 +79,7 @@
     void emitFunctionEnd(MachineFunction &MF);
     void emitFrameDirective(MachineFunction &MF);
 
-    bool printInstruction(const MachineInstr *MI);  // autogenerated.
+    void printInstruction(const MachineInstr *MI);  // autogenerated.
     bool runOnMachineFunction(MachineFunction &F);
     bool doInitialization(Module &M);
   };