Fix MSVC unreferenced formal parameter warning. NFCI.

llvm-svn: 370614

diff --git a/llvm/include/llvm/ADT/StringExtras.h b/llvm/include/llvm/ADT/StringExtras.h
index 16ac90b..ef1a11e 100644 (file)
--- a/llvm/include/llvm/ADT/StringExtras.h
+++ b/llvm/include/llvm/ADT/StringExtras.h
@@ -345,7 +345,7 @@ inline void join_items_impl(std::string &Result, Sep Separator, const Arg1 &A1,
   join_items_impl(Result, Separator, std::forward<Args>(Items)...);
 }
 
-inline size_t join_one_item_size(char C) { return 1; }
+inline size_t join_one_item_size(char) { return 1; }
 inline size_t join_one_item_size(const char *S) { return S ? ::strlen(S) : 0; }
 
 template <typename T> inline size_t join_one_item_size(const T &Str) {