RFR: 8303068: Memory leak in DwarfFile::LineNumberProgram::run_line_number_program

[David Holmes]

On Fri, 24 Feb 2023 04:48:53 GMT, David Holmes <dholmes at openjdk.org> wrote:

> After allocating:
> 
> _state = new (std::nothrow) LineNumberProgramState(_header);
> 
> we need to `delete _state` before returning.
> 
> Testing: tiers 1-3
> 
> Thanks.

Okay I just pushed a much simpler, cleaner and more robust fix, by adding a destructor for `LineNumberProgram`.

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PR: https://git.openjdk.org/jdk/pull/12738