improve the APIs for creating struct and function types with no arguments/elements
to not have to create a temporary vector (in the API at least).  Patch by Jay Foad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74584 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/LowerAllocations.cpp b/lib/Transforms/Utils/LowerAllocations.cpp
index 9af47f5..74e7028 100644
--- a/lib/Transforms/Utils/LowerAllocations.cpp
+++ b/lib/Transforms/Utils/LowerAllocations.cpp
@@ -89,7 +89,7 @@
   const Type *BPTy = PointerType::getUnqual(Type::Int8Ty);
   // Prototype malloc as "char* malloc(...)", because we don't know in
   // doInitialization whether size_t is int or long.
-  FunctionType *FT = FunctionType::get(BPTy, std::vector<const Type*>(), true);
+  FunctionType *FT = FunctionType::get(BPTy, true);
   MallocFunc = M.getOrInsertFunction("malloc", FT);
   FreeFunc = M.getOrInsertFunction("free"  , Type::VoidTy, BPTy, (Type *)0);
   return true;