George Karpenkov
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346dfbe2bc
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[FileCheck] Provide an option for FileCheck to dump original input to stderr on failure
The option can be either set using environment variable (e.g. env
FILECHECK_DUMP_INPUT_ON_FAILURE=1 ninja check-fuzzer) or with a
FileCheck flag.
This can be extremely useful for debugging, cf.
https://groups.google.com/forum/#!topic/llvm-dev/kLrzg8OM_h8 for
discussion.
Differential Revision: https://reviews.llvm.org/D49328
llvm-svn: 337609
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2018-07-20 20:21:57 +00:00 |