[lld] r230735 - Temporarily disable FileArchive::preload().

[Rui Ueyama]

Author: ruiu
Date: Thu Feb 26 23:26:05 2015
New Revision: 230735

URL: http://llvm.org/viewvc/llvm-project?rev=230735&view=rev
Log:
Temporarily disable FileArchive::preload().

It is observed that the function throws std::future_error on a few buildbots.
That cannot be easily reproducible on local machines. Kill the feature
temporarily to see if this is going to fix the buildbot issue.

Modified:
    lld/trunk/lib/Core/Resolver.cpp

Modified: lld/trunk/lib/Core/Resolver.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Core/Resolver.cpp?rev=230735&r1=230734&r2=230735&view=diff
==============================================================================
--- lld/trunk/lib/Core/Resolver.cpp (original)
+++ lld/trunk/lib/Core/Resolver.cpp Thu Feb 26 23:26:05 2015
@@ -31,12 +31,9 @@ bool Resolver::handleFile(const File &fi
   bool undefAdded = false;
   for (const DefinedAtom *atom : file.defined())
     doDefinedAtom(*atom);
-  for (const UndefinedAtom *atom : file.undefined()) {
-    if (doUndefinedAtom(*atom)) {
+  for (const UndefinedAtom *atom : file.undefined())
+    if (doUndefinedAtom(*atom))
       undefAdded = true;
-      maybePreloadArchiveMember(atom->name());
-    }
-  }
   for (const SharedLibraryAtom *atom : file.sharedLibrary())
     doSharedLibraryAtom(*atom);
   for (const AbsoluteAtom *atom : file.absolute())
@@ -232,17 +229,6 @@ void Resolver::addAtoms(const std::vecto
     doDefinedAtom(*newAtom);
 }
 
-// Instantiate an archive file member if there's a file containing a
-// defined symbol for a given symbol name. Instantiation is done in a
-// different worker thread and has no visible side effect.
-void Resolver::maybePreloadArchiveMember(StringRef sym) {
-  auto it = _archiveMap.find(sym);
-  if (it == _archiveMap.end())
-    return;
-  ArchiveLibraryFile *archive = it->second;
-  archive->preload(_context.getTaskGroup(), sym);
-}
-
 // Returns true if at least one of N previous files has created an
 // undefined symbol.
 bool Resolver::undefinesAdded(int begin, int end) {