[ruby/prism] Fix a possible malloc(0)
https://github.com/ruby/prism/commit/fa108b8626
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@ -15069,7 +15069,7 @@ parse_expression_infix(pm_parser_t *parser, pm_node_t *node, pm_binding_power_t
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}
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}
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}
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if (!interpolated) {
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if (!interpolated && total_length > 0) {
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void *memory = malloc(total_length);
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void *memory = malloc(total_length);
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if (!memory) abort();
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if (!memory) abort();
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