lean2/tests/lean/interactive/snapshot_bug.input

VISIT snapshot_bug.lean
WAIT
INSERT 21

REPLACE 22
lemma ker.has_one (Hom : is_hom f) : 1 ∈ ker f := sorry
WAIT
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			`VISIT snapshot_bug.lean`
			`WAIT`
			`INSERT 21`

			`REPLACE 22`
			`lemma ker.has_one (Hom : is_hom f) : 1 ∈ ker f := sorry`
			`WAIT`