Use array_lengthof; NFC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@219935 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/driver/driver.cpp b/tools/driver/driver.cpp
index db356b76e3..3e98b2c6c9 100644
--- a/tools/driver/driver.cpp
+++ b/tools/driver/driver.cpp
@@ -246,7 +246,7 @@ static void ParseProgName(SmallVectorImpl<const char *> &ArgVector,
     bool FoundMatch = false;
     size_t i;
 
-    for (i = 0; i < sizeof(suffixes) / sizeof(suffixes[0]); ++i) {
+    for (i = 0; i < llvm::array_lengthof(suffixes); ++i) {
       if (ProgNameRef.endswith(suffixes[i].Suffix)) {
         FoundMatch = true;
         SmallVectorImpl<const char *>::iterator it = ArgVector.begin();