[llvm][clang] Sandbox IO operations (getcwd)

Author: jansvoboda11

llvm/lib/Support/IOSandboxInternal.h

@@ -51,6 +51,7 @@ static constexpr auto readdir = detail::interpose(::readdir);
 static constexpr auto stat = detail::interpose(::stat);
 static constexpr auto lstat = detail::interpose(::lstat);
 static constexpr auto fstat = detail::interpose(::fstat);
+static constexpr auto getcwd = detail::interpose(::getcwd);
 } // namespace llvm
 
 #endif