lean2/tests/lean/interactive/snapshot_bug.input.expected.out

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fix(frontends/lean/parser): must save state of name_generator in parser snapshot To provide typing and auto-completion information, we create a background process by starting lean with the option --server. In "server" mode, we create snapshots of the parser state. The idea is to be able to quickly reprocess a file when the user makes a modification. This commit fixes a bug in the snapshot operation. It was not saving in the snapshots the unique name generator used by the parser. By creating a fresh name generator, we may accidentally assign the same internal name to two different constants. This bug triggered the crash described in issue #593. This commit fixes the test in the comment https://github.com/leanprover/lean/issues/593#issuecomment-101768484 This commit also adds a smaller version of the problem to the test suite 2015-05-13 19:17:20 +00:00			`-- BEGINWAIT`
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