[ruby/prism] Short-circuit if possible for start line and unused warning
https://github.com/ruby/prism/commit/2745c81d31
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@ -961,20 +961,18 @@ pm_locals_order(PRISM_ATTRIBUTE_UNUSED pm_parser_t *parser, pm_locals_t *locals,
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if (local->name != PM_CONSTANT_ID_UNSET) {
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pm_constant_id_list_insert(list, (size_t) local->index, local->name);
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if (warn_unused && local->reads == 0) {
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if (pm_newline_list_line(&parser->newline_list, local->location.start, parser->start_line) >= 0) {
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pm_constant_t *constant = pm_constant_pool_id_to_constant(&parser->constant_pool, local->name);
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if (warn_unused && local->reads == 0 && ((parser->start_line >= 0) || (pm_newline_list_line(&parser->newline_list, local->location.start, parser->start_line) >= 0))) {
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pm_constant_t *constant = pm_constant_pool_id_to_constant(&parser->constant_pool, local->name);
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if (constant->length >= 1 && *constant->start != '_') {
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PM_PARSER_WARN_FORMAT(
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parser,
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local->location.start,
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local->location.end,
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PM_WARN_UNUSED_LOCAL_VARIABLE,
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(int) constant->length,
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(const char *) constant->start
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);
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}
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if (constant->length >= 1 && *constant->start != '_') {
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PM_PARSER_WARN_FORMAT(
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parser,
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local->location.start,
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local->location.end,
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PM_WARN_UNUSED_LOCAL_VARIABLE,
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(int) constant->length,
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(const char *) constant->start
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);
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}
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}
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}
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