[PRISM] Make file path and script name distinct #9655
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When loading Ruby from a file, or parsing using RubyVM::InstructionSequence.
This causes the Iseq file names to be wrong, which is affecting Tracepoint events in certain cases. because we're taking a pointer to the string and using it in `pm_string_mapped_pointer` we also need to `RB_GC_GUARD` the relevant Ruby object to ensure it's not moved or swept before the parser has been free'd.
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tenderlove
approved these changes
Jan 22, 2024
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This affects Tracepoint paths and fixes ruby/prism#2229