Change Path::getStatusInfo to return a boolean and error string on an error
instead of throwing an exception.  This reduces the amount of code that is
exposed to exceptions (e.g. FileUtilities), though it is clearly only one step
along the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29395 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-ar/llvm-ar.cpp b/tools/llvm-ar/llvm-ar.cpp
index 8bc9e04..2ec4317 100644
--- a/tools/llvm-ar/llvm-ar.cpp
+++ b/tools/llvm-ar/llvm-ar.cpp
@@ -299,8 +299,10 @@
     if (checkExistence) {
       if (!aPath.exists())
         throw std::string("File does not exist: ") + Members[i];
-      sys::Path::StatusInfo si;
-      aPath.getStatusInfo(si);
+      sys::FileStatus si;
+      std::string Err;
+      if (aPath.getFileStatus(si, &Err))
+        throw Err;
       if (si.isDir) {
         std::set<sys::Path> dirpaths = recurseDirectories(aPath);
         Paths.insert(dirpaths.begin(),dirpaths.end());
@@ -456,7 +458,7 @@
       // If we're supposed to retain the original modification times, etc. do so
       // now.
       if (OriginalDates)
-        I->getPath().setStatusInfoOnDisk(I->getStatusInfo());
+        I->getPath().setStatusInfoOnDisk(I->getFileStatus());
     }
   }
 }
@@ -610,8 +612,10 @@
     }
 
     if (found != remaining.end()) {
-      sys::Path::StatusInfo si;
-      found->getStatusInfo(si);
+      sys::FileStatus si;
+      std::string Err;
+      if (found->getFileStatus(si, &Err))
+        throw Err;
       if (si.isDir) {
         if (OnlyUpdate) {
           // Replace the item only if it is newer.