[PATCH] D53715: [AST] Only store the needed data in WhileStmt.

[Bruno Ricci via Phabricator via cfe-commits]

riccibruno created this revision.
riccibruno added a reviewer: rjmccall.
riccibruno added a project: clang.
Herald added a subscriber: cfe-commits.

Don't store the data for the condition variable if not needed.
This cuts the size of `WhileStmt` by up to a pointer.
The order of the children is kept the same.


Repository:
  rC Clang

https://reviews.llvm.org/D53715

Files:
  include/clang/AST/Stmt.h
  lib/AST/ASTImporter.cpp
  lib/AST/Stmt.cpp
  lib/Sema/SemaStmt.cpp
  lib/Serialization/ASTReaderStmt.cpp
  lib/Serialization/ASTWriterStmt.cpp
  test/Import/while-stmt/test.cpp

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