From: "tenderlovemaking (Aaron Patterson) via ruby-core" <ruby-core@...>
Date: 2025-07-17T23:21:57+00:00
Subject: [ruby-core:122810] [Ruby Bug#21259] The Prism compiler wrongly creates a line number of zero

Issue #21259 has been updated by tenderlovemaking (Aaron Patterson).

Status changed from Assigned to Closed
Backport changed from 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN to 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: REQUIRED

Fixed in 148db9c80f11af1780f0f3685201f28de8f6b47a

----------------------------------------
Bug #21259: The Prism compiler wrongly creates a line number of zero
https://bugs.ruby-lang.org/issues/21259#change-114095

* Author: mame (Yusuke Endoh)
* Status: Closed
* Assignee: prism
* Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: REQUIRED
----------------------------------------
test.rb
```
TracePoint.new(:line) do |tp|
  p tp
end.enable

load "./target.rb"
```

target.rb
```
if true..true
end
```

```
$ ~/work/ruby/local/bin/ruby --parser=prism test.rb
#<TracePoint:line test.rb:5>
#<TracePoint:line /tmp/reproduce-simplecov-ruby34-bug/target.rb:0> # <=== This lineno should be 1

$ ~/work/ruby/local/bin/ruby --parser=parse.y test.rb
#<TracePoint:line test.rb:5>
#<TracePoint:line /tmp/reproduce-simplecov-ruby34-bug/target.rb:1>
```



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