Fix a compiler error under MSVC

Error message was:
CGDebugInfo.cpp(1047) : error C2666: 'llvm::MDTypeRefArray::operator []' : 2 overloads have similar conversions
  DebugInfoMetadata.h(106): could be 'llvm::MDTypeRef llvm::MDTypeRefArray::operator [](unsigned int) const'
  while trying to match the argument list '(llvm::DITypeArray, int)'

llvm-svn: 234308

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 96ca886c64c152a0747b0cceac2d017e969dc5a7..da90f0265ca95b1a0966797841b9c75c675fc0f7 100644 (file)
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1044,7 +1044,7 @@ llvm::DICompositeType CGDebugInfo::getOrCreateInstanceMethodType(
   SmallVector<llvm::Metadata *, 16> Elts;
 
   // First element is always return type. For 'void' functions it is NULL.
-  Elts.push_back(Args[0]);
+  Elts.push_back(Args[0u]);
 
   // "this" pointer is always first argument.
   const CXXRecordDecl *RD = ThisPtr->getPointeeCXXRecordDecl();