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

[Akira Hatanaka via cfe-commits]

ahatanak updated this revision to Diff 61145.
ahatanak added a comment.

Fix a bug in tryEvaluateBuiltinObjectSize. If the pointer passed to __builtin_object_size doesn't point to an array, it should be able to compute the exact size of the subobject the pointer points to. Therefore, it should be able to tell the last call to __builtin_object_size in test/CodeGen/object-size.c should return 128.


http://reviews.llvm.org/D21453

Files:
  include/clang/Basic/Attr.td
  include/clang/Basic/AttrDocs.td
  lib/AST/ExprConstant.cpp
  lib/Sema/SemaDeclAttr.cpp
  test/CodeGen/object-size.c
  test/CodeGen/object-size.cpp

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