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Fix memory leak for filters with keyword arguments #157

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Oct 12, 2021
Merged

Fix memory leak for filters with keyword arguments #157

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5 changes: 1 addition & 4 deletions ext/liquid_c/variable.c
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Original file line number Diff line number Diff line change
Expand Up @@ -72,10 +72,7 @@ static VALUE try_variable_strict_parse(VALUE uncast_args)
vm_assembler_concat(code, push_keywords_code);
vm_assembler_add_hash_new(code, keyword_arg_count);

// There are no external references to this temporary object, so we can eagerly free it
DATA_PTR(push_keywords_obj) = NULL;
vm_assembler_free(push_keywords_code);
rb_gc_force_recycle(push_keywords_obj); // also acts as a RB_GC_GUARD(push_keywords_obj);
RB_GC_GUARD(push_keywords_obj);
}
vm_assembler_add_filter(code, filter_name, arg_count);
}
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