Reland 9f3fdb0d7fab: [Driver] Use VFS to check if sanitizer blacklists exist

With updates to various LLVM tools that use SpecialCastList.

It was tempting to use RealFileSystem as the default, but that makes it
too easy to accidentally forget passing VFS in clang code.

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/tools/llvm-cov/CodeCoverage.cpp b/llvm/tools/llvm-cov/CodeCoverage.cpp
index 7151cfb032f..5f1e23f20d7 100644
--- a/llvm/tools/llvm-cov/CodeCoverage.cpp
+++ b/llvm/tools/llvm-cov/CodeCoverage.cpp
@@ -36,6 +36,7 @@
 #include "llvm/Support/ThreadPool.h"
 #include "llvm/Support/Threading.h"
 #include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/VirtualFileSystem.h"
 
 #include <functional>
 #include <map>
@@ -704,8 +705,8 @@ int CodeCoverageTool::run(Command Cmd, int argc, const char **argv) {
     // Read in -name-whitelist files.
     if (!NameFilterFiles.empty()) {
       std::string SpecialCaseListErr;
-      NameWhitelist =
-          SpecialCaseList::create(NameFilterFiles, SpecialCaseListErr);
+      NameWhitelist = SpecialCaseList::create(
+          NameFilterFiles, *vfs::getRealFileSystem(), SpecialCaseListErr);
       if (!NameWhitelist)
         error(SpecialCaseListErr);
     }