Fuzzer

[graydon]

Write a fuzzer. This should probably be based on mutation (taking an existing AST and performing edits on it), with "generation" being the degenerate case of mutating outwards from an empty AST. The general cycle should just be to mutate from an input, a seed and a particular iteration count, then pretty-print the result.

[jruderman]

https://github.com/jruderman/rust/commits/fuzzing isn't a fuzzer yet, but it has already found bugs ;)

[graydon]

It's a work in progress, but this bug can close.

[bstrie]

I don't believe this was ever completed. Reopening. Feel free to close if this is redundant with #2736.

[emberian]

Nominating for closure. I don't see this happening for quite some time and having this issue open adds nothing.