Revert "Rename llvm::array_lengthof into llvm::size to match std::size from C++17"

This reverts commit ef8206320769ad31422a803a0d6de6077fd231d2.

- It conflicts with the existing llvm::size in STLExtras, which will now
  never be called.
- Calling it without llvm:: breaks C++17 compat

1 files changed, 1 insertions, 1 deletions

diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index cc6f721..7551ee4 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -151,7 +151,7 @@ static const DriverSuffix *FindDriverSuffix(StringRef ProgName, size_t &Pos) {
       {"flang", "--driver-mode=flang"},
   };
 
-  for (size_t i = 0; i < llvm::size(DriverSuffixes); ++i) {
+  for (size_t i = 0; i < llvm::array_lengthof(DriverSuffixes); ++i) {
     StringRef Suffix(DriverSuffixes[i].Suffix);
     if (ProgName.endswith(Suffix)) {
       Pos = ProgName.size() - Suffix.size();