Update docs to reflect new DISubprogram elements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105495 91177308-0d34-0410-b5e6-96231b3b80d8

docs/SourceLevelDebugging.html

@@ -433,6 +433,13 @@ provide details such as name, type and where the variable is defined.</p>
   metadata, ;; Reference to type descriptor
   i1,       ;; True if the global is local to compile unit (static)
   i1        ;; True if the global is defined in the compile unit (not extern)
+  i32       ;; Virtuality, e.g. dwarf::DW_VIRTUALITY__virtual
+  i32       ;; Index into a virtual function
+  metadata, ;; indicates which base type contains the vtable pointer for the 
+            ;; derived class
+  i1        ;; isArtificial
+  i1        ;; isOptimized
+  Function *;; Pointer to LLVM function
 }
 </pre>
 </div>