[AST][NFC] Pack CXXDeleteExpr

Use the newly available space in the bit-fields of Stmt.
This saves 8 bytes per CXXDeleteExpr. NFC.

llvm-svn: 348128
diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index e36b557..edc66c5 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -1506,7 +1506,7 @@
   Record.push_back(E->doesUsualArrayDeleteWantSize());
   Record.AddDeclRef(E->getOperatorDelete());
   Record.AddStmt(E->getArgument());
-  Record.AddSourceLocation(E->getSourceRange().getBegin());
+  Record.AddSourceLocation(E->getBeginLoc());
 
   Code = serialization::EXPR_CXX_DELETE;
 }