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clang/Modules: Split loop in ReadAST between failable and not

Authored by dexonsmith on Nov 10 2019, 11:40 AM.



Split a loop in ReadAST that visits the just-loaded module chain,
between an initial loop that reads further from the ASTs (and can fail)
and a second loop that does some preloading (and cannot fail). This
makes it less likely for a reading failure to affect the AST.

This is not fixing a known bug and the behaviour change may not be
observable, it's just part of an audit to look at all of the error
handling in the ASTReader.

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Event Timeline

dexonsmith created this revision.Nov 10 2019, 11:40 AM
aprantl accepted this revision.Nov 11 2019, 2:28 PM
aprantl added inline comments.

and this?


Could this be a range-based for?

This revision is now accepted and ready to land.Nov 11 2019, 2:28 PM
dexonsmith marked an inline comment as done.Nov 11 2019, 2:43 PM
dexonsmith added inline comments.

Yes, probably. If so, I'll do that to the existing one as a prep patch (before pushing this change), and follow the style for the new one.