syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // so the `1` and `2` cases branch to a same block (which then tests `false`). If we
context_before:         // following, or-pattern simplification (in `merge_trivial_subcandidates`) makes it
context_after:         // took `(2, _)` in the same set of candidates, when we reach the block that tests