Brian Gesiak 6abdbd7d39 [Option] For typo '-foo', suggest '--foo' ... Summary: https://reviews.llvm.org/rL321877 introduced the `OptTable::findNearest` method, to find the closest edit distance option for a given string. However, the implementation contained a bug: for a typo `-foo` with an edit distance of 1 away from a valid option `--foo`, `findNearest` would suggest a nearby option of `foo`. That is, the result would not include the `--` prefix, and so was not a valid option. Fix the bug by ensuring that the prefix string is initialized to one of the valid prefixes for the option. Test Plan: `check-llvm-unit` Reviewers: v.g.vassilev, teemperor, ruiu, jroelofs, yamaguchi Reviewed By: jroelofs Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D41873 llvm-svn: 322109		2018-01-09 19:38:04 +00:00
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CMakeLists.txt
OptionParsingTest.cpp	[Option] For typo '-foo', suggest '--foo'	2018-01-09 19:38:04 +00:00
Opts.td	[Option] For typo '-foo', suggest '--foo'	2018-01-09 19:38:04 +00:00