llvm-dwarfdump: Support for debug_line.dwo section for file names for type units under fission.

llvm-svn: 202091
diff --git a/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp b/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
index f827909..103779e 100644
--- a/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
+++ b/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
@@ -65,6 +65,7 @@
         clEnumValN(DIDT_Types, "types", ".debug_types"),
         clEnumValN(DIDT_TypesDwo, "types.dwo", ".debug_types.dwo"),
         clEnumValN(DIDT_Line, "line", ".debug_line"),
+        clEnumValN(DIDT_LineDwo, "line.dwo", ".debug_line.dwo"),
         clEnumValN(DIDT_Loc, "loc", ".debug_loc"),
         clEnumValN(DIDT_Frames, "frames", ".debug_frame"),
         clEnumValN(DIDT_Ranges, "ranges", ".debug_ranges"),