diff --git a/src/compiler/codegen/MethodCodegenDriver.cc b/src/compiler/codegen/MethodCodegenDriver.cc
index e76834d..606a1ed 100644
--- a/src/compiler/codegen/MethodCodegenDriver.cc
+++ b/src/compiler/codegen/MethodCodegenDriver.cc
@@ -866,6 +866,7 @@
 /* Handle the content in each basic block */
 bool methodBlockCodeGen(CompilationUnit* cUnit, BasicBlock* bb)
 {
+  if (bb->blockType == kDead) return false;
   MIR* mir;
   LIR* labelList = cUnit->blockLabelList;
   int blockId = bb->id;