Report more memory using in Preprocessor::getTotalMemory() and PreprocessingRecord::getTotalMemory().

Most of the memory was already reported; but now we report more memory from side data structures.

Fixes <rdar://problem/9379717>.

llvm-svn: 136150
diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index a5e86bd..4431684 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -228,7 +228,13 @@
 }
 
 size_t Preprocessor::getTotalMemory() const {
-  return BP.getTotalMemory() + MacroExpandedTokens.capacity()*sizeof(Token);
+  return BP.getTotalMemory()
+    + MacroExpandedTokens.capacity()
+    + Predefines.capacity() /* Predefines buffer. */
+    + Macros.getMemorySize()
+    + PragmaPushMacroInfo.getMemorySize()
+    + PoisonReasons.getMemorySize()
+    + CommentHandlers.capacity();
 }
 
 Preprocessor::macro_iterator