[PATCH] D21453: Add support for attribute "overallocated"

[Akira Hatanaka via Phabricator via cfe-commits]

ahatanak updated this revision to Diff 81090.
ahatanak added a comment.

Address review comments.

- Arrays marked "flexible_array" are now treated as flexible arrays.
- __builtin_object_size returns a more accurate numbers for normal C99 flexible arrays (see test/CodeGen/object-size.c).

Note that a couple of tests fail with this patch applied since this patch depends on https://reviews.llvm.org/D24999.


https://reviews.llvm.org/D21453

Files:
  include/clang/AST/Decl.h
  include/clang/Basic/Attr.td
  include/clang/Basic/AttrDocs.td
  include/clang/Basic/DiagnosticSemaKinds.td
  include/clang/Sema/AttributeList.h
  lib/AST/ExprConstant.cpp
  lib/CodeGen/CGExpr.cpp
  lib/Sema/SemaChecking.cpp
  lib/Sema/SemaDecl.cpp
  lib/Sema/SemaDeclAttr.cpp
  test/CodeGen/object-size.c
  test/CodeGenCXX/catch-undef-behavior.cpp
  test/SemaCXX/flexible-array-attr.cpp
  utils/TableGen/ClangAttrEmitter.cpp

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