add a missing check

llvm-svn: 36859
2007-05-06 07:33:01 +00:00
parent 5db36d3d82
commit a77bb942a2
1 changed files with 1 additions and 0 deletions
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -691,6 +691,7 @@ bool BitcodeReader::ParseConstants() {
        V = UndefValue::get(CurTy);  // Unknown cast.
      } else {
        const Type *OpTy = getTypeByID(Record[1]);
+        if (!OpTy) return Error("Invalid CE_CAST record");
        Constant *Op = ValueList.getConstantFwdRef(Record[2], OpTy);
        V = ConstantExpr::getCast(Opc, Op, CurTy);
      }