steveire added inline comments.

================
Comment at: 
clang-tools-extra/clang-tidy/readability/ContainerSizeEmptyCheck.cpp:56
-                                   hasEitherOperand(ignoringImpCasts(
-                                       anyOf(integerLiteral(equals(1)),
-                                             integerLiteral(equals(0))))))
----------------
aaron.ballman wrote:
> It looks like the changes drop the requirement that either operand is 0 or 1 
> -- is that an oversight or can you explain why that's correct?
Sorry, that was an old/intermediate version of the patch.


================
Comment at: 
clang-tools-extra/clang-tidy/readability/ContainerSizeEmptyCheck.cpp:101
-      ignoringImpCasts(stringLiteral(hasSize(0))),
-      ignoringImpCasts(cxxBindTemporaryExpr(has(DefaultConstructor))),
-      ignoringImplicit(DefaultConstructor),
----------------
aaron.ballman wrote:
> We seem to lose this case entirely?
In `IgnoreUnlessSpelledInSource` mode, 
`ignoringImpCasts(cxxBindTemporaryExpr(has(DefaultConstructor)))` simplifies to 
`cxxConstructExpr(isDefaultConstruction())`, which is there.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91303/new/

https://reviews.llvm.org/D91303

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