Use llvm::sys::fs::can_execute.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184297 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index 6eeb737..f32a375 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -1579,13 +1579,16 @@
     if (!llvm::sys::fs::is_directory(*it, IsDirectory) && IsDirectory) {
       llvm::sys::Path P(*it);
       P.appendComponent(TargetSpecificExecutable);
-      if (P.canExecute()) return P.str();
+      if (llvm::sys::fs::can_execute(P.str()))
+        return P.str();
       P.eraseComponent();
       P.appendComponent(Name);
-      if (P.canExecute()) return P.str();
+      if (llvm::sys::fs::can_execute(P.str()))
+        return P.str();
     } else {
       llvm::sys::Path P(*it + Name);
-      if (P.canExecute()) return P.str();
+      if (llvm::sys::fs::can_execute(P.str()))
+        return P.str();
     }
   }
 
@@ -1594,10 +1597,12 @@
          it = List.begin(), ie = List.end(); it != ie; ++it) {
     llvm::sys::Path P(*it);
     P.appendComponent(TargetSpecificExecutable);
-    if (P.canExecute()) return P.str();
+    if (llvm::sys::fs::can_execute(P.str()))
+      return P.str();
     P.eraseComponent();
     P.appendComponent(Name);
-    if (P.canExecute()) return P.str();
+    if (llvm::sys::fs::can_execute(P.str()))
+      return P.str();
   }
 
   // If all else failed, search the path.