[PATCH] D139741: [clang][CodeGen] Use base subobject type layout for potentially-overlapping fields

Vladislav Dzhidzhoev via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Jan 13 17:14:43 PST 2023


dzhidzhoev updated this revision to Diff 489160.
dzhidzhoev added a comment.

Fixed crashes reported by @efriedma and @rupprecht.
 "Base subobject type" layout (e.g. type layout without suffix padding)
is calculated for unions and final classes too here, in order to 
lay out fields with [[no_unique_address]].


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D139741/new/

https://reviews.llvm.org/D139741

Files:
  clang/include/clang/AST/Decl.h
  clang/lib/AST/Decl.cpp
  clang/lib/AST/RecordLayoutBuilder.cpp
  clang/lib/CodeGen/CGRecordLayoutBuilder.cpp
  clang/test/CodeGenCXX/no-unique-address-3.cpp

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