[PATCH] D53206: Allow padding checker to traverse simple class hierarchies

Max Bernstein via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Oct 22 12:28:15 PDT 2018


tekknolagi added inline comments.


================
Comment at: test/Analysis/padding_cpp.cpp:204-212
+// expected-warning at +1{{Excessive padding in 'struct FakeIntSandwich'}}
+struct FakeIntSandwich {
+  char c1;
+  int i;
+  char c2;
+};
+
----------------
tekknolagi wrote:
> bcraig wrote:
> > Looking at this again... what new cases does this catch?  FakeIntSandwich was caught before (it is identical to 'PaddedA', and AnotherIntSandwich generated no warning before.  So what is different?
> > 
> > EBO1 and EBO2 are cases above that would be nice to catch, but aren't being caught right now.
> Ah, you're right. I'll just keep the one in `padding_inherit`.
@bcraig I updated the description of the diff to be more informative about the particular cases this change catches.


Repository:
  rC Clang

https://reviews.llvm.org/D53206





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