Unbreak backwards compatibility with bytecode format.  Regression
introduced by this patch:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071126/055824.html



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44364 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 93542f3..c405feb 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -329,14 +329,15 @@
       ResultTy = PointerType::get(getTypeByID(Record[0], true));
       break;
     case bitc::TYPE_CODE_FUNCTION: {
-      // FUNCTION: [vararg, retty, paramty x N]
-      if (Record.size() < 2)
+      // FIXME: attrid is dead, remove it in LLVM 3.0
+      // FUNCTION: [vararg, attrid, retty, paramty x N]
+      if (Record.size() < 3)
         return Error("Invalid FUNCTION type record");
       std::vector<const Type*> ArgTys;
-      for (unsigned i = 2, e = Record.size(); i != e; ++i)
+      for (unsigned i = 3, e = Record.size(); i != e; ++i)
         ArgTys.push_back(getTypeByID(Record[i], true));
       
-      ResultTy = FunctionType::get(getTypeByID(Record[1], true), ArgTys,
+      ResultTy = FunctionType::get(getTypeByID(Record[2], true), ArgTys,
                                    Record[0]);
       break;
     }