[LLDB] - Add basic support for .debug_rnglists section (DWARF5)

This adds a basic support of the .debug_rnglists section.
Only the DW_RLE_start_length and DW_RLE_end_of_list entries are supported.

Differential revision: https://reviews.llvm.org/D52981

llvm-svn: 344119
diff --git a/lldb/source/Core/Section.cpp b/lldb/source/Core/Section.cpp
index 0a26203..d516b63 100644
--- a/lldb/source/Core/Section.cpp
+++ b/lldb/source/Core/Section.cpp
@@ -87,6 +87,8 @@
     return "dwarf-pubtypes";
   case eSectionTypeDWARFDebugRanges:
     return "dwarf-ranges";
+  case eSectionTypeDWARFDebugRngLists:
+    return "dwarf-rnglists";
   case eSectionTypeDWARFDebugStr:
     return "dwarf-str";
   case eSectionTypeDWARFDebugStrOffsets: