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Hi, Debugging tests which make use of FileCheck can be a frustrating experience, as all input will be swallowed (even with -v flag passed to lit), and one would often need to copy-and-paste and rerun the failing command manually without piping into FileCheck. Initially I’ve assumed that this is done due to stream processing, but looking at FileCheck source code I can see that it actually gets the

...expand it to 'FileCheck --dump-on-failure' or something on bots. This sounds reasonable to me, no matter what on the above question. - Daniel -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170707/84d7266c/attachment.html>