Moved an access to an object past a NULL check,

making the MC disassembler tester more robust.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129175 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/llvm-mc/Disassembler.cpp b/tools/llvm-mc/Disassembler.cpp
index 41b92a1b302156189397d32ca932f122434322ec..cdd1892f25cb39d4cf470d2523ce677162c71af9 100644 (file)
--- a/tools/llvm-mc/Disassembler.cpp
+++ b/tools/llvm-mc/Disassembler.cpp
@@ -240,12 +240,12 @@ int Disassembler::disassembleEnhanced(const std::string &TS,
     OwningPtr<EDInst>
       inst(disassembler->createInst(byteArrayReader, 0, &ByteArray));
   
-    ByteArray.erase (ByteArray.begin(), ByteArray.begin() + inst->byteSize());
-                               
     if (inst == 0) {
       errs() << "error: Didn't get an instruction\n";
       return -1;
     }
+
+    ByteArray.erase (ByteArray.begin(), ByteArray.begin() + inst->byteSize());
     
     unsigned numTokens = inst->numTokens();
     if ((int)numTokens < 0) {