[CodeGen] Don't dereference vector::end if the vector can be empty

MSVC complains about this in debug mode. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@242622 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MicrosoftCXXABI.cpp b/lib/CodeGen/MicrosoftCXXABI.cpp
index 7e33b85c397226516e2c6b9fafd61e89c68c301b..94118b0e506fb61069a643a6bdaa41f9a839f492 100644 (file)
--- a/lib/CodeGen/MicrosoftCXXABI.cpp
+++ b/lib/CodeGen/MicrosoftCXXABI.cpp
@@ -3803,7 +3803,7 @@ MicrosoftCXXABI::getAddrOfCXXCtorClosure(const CXXConstructorDecl *CD,
   CodeGenFunction::RunCleanupsScope Cleanups(CGF);
 
   const auto *FPT = CD->getType()->castAs<FunctionProtoType>();
-  CGF.EmitCallArgs(Args, FPT, &*ArgVec.begin(), &*ArgVec.end(), CD,
+  CGF.EmitCallArgs(Args, FPT, ArgVec.data(), ArgVec.data() + ArgVec.size(), CD,
                    IsCopy ? 1 : 0);
 
   // Insert any ABI-specific implicit constructor arguments.