Importing rustc-1.70.0

Test: ./build.py --lto=thin
Change-Id: I34045ec5a79462afe9900f38a66f9783d4055a18

src/llvm-project/llvm/tools/llvm-dwarfutil/Options.h

diff --git a/src/llvm-project/llvm/tools/llvm-dwarfutil/Options.h b/src/llvm-project/llvm/tools/llvm-dwarfutil/Options.h
index c993200..38fa2b9 100644
--- a/src/llvm-project/llvm/tools/llvm-dwarfutil/Options.h
+++ b/src/llvm-project/llvm/tools/llvm-dwarfutil/Options.h
@@ -24,6 +24,12 @@
   Exec,      /// match with address range of executable sections.
 };
 
+/// The kind of accelerator table.
+enum class DwarfUtilAccelKind : uint8_t {
+  None,
+  DWARF // DWARFv5: .debug_names
+};
+
 struct Options {
   std::string InputFileName;
   std::string OutputFileName;
@@ -34,6 +40,7 @@
   bool Verbose = false;
   int NumThreads = 0;
   bool Verify = false;
+  DwarfUtilAccelKind AccelTableKind = DwarfUtilAccelKind::None;
 
   std::string getSeparateDebugFileName() const {
     return OutputFileName + ".debug";