void added inline comments.

================
Comment at: clang/lib/AST/Randstruct.cpp:201
+            dyn_cast<ConstantArrayType>(RandomizedFields.back()->getType()))
+      if (CA->getSize().sle(2) || CA->isIncompleteArrayType())
+        FlexibleArray = RandomizedFields.pop_back_val();
----------------
aaron.ballman wrote:
> CA->isIncompleteArrayType() looks to be at the wrong spot. An incomplete 
> array type is one of type `IncompleteArrayType`, which a `ConstantArrayType` 
> is not. Are we missing test coverage, or does the `hasFlexibleArrayMember()` 
> make it so that we just need to remove this check entirely?
It looks like if it's an `IncompleteArrayType`, then it will be captured by 
`hasFlexibleArrayMember`. I think we can do without the check here. (It doesn't 
hurt, because it should always return `false`.)


================
Comment at: clang/unittests/AST/RandstructTest.cpp:368
+        int h;
+        char name[0];
+    } __attribute__((randomize_layout));
----------------
aaron.ballman wrote:
> Can you add a test where the last field is `char name[1];` and another one 
> for `char name[];` so that we have full coverage there?
The `name[]` is above this test. The `name[1]` is due to a copy-paste error 
(oops). Fixed.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123958/new/

https://reviews.llvm.org/D123958

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