Update link_name for updated restrictions#2268
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rust-lang/rust#155817 added some restrictions on the symbol name in the `link_name` attribute. The name cannot be empty or contain null bytes.
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May 11, 2026
rust-lang/rust#155515 added a restriction that the symbol name cannot be empty in the `export_name` attribute. This now matches the behavior of link_name (see rust-lang#2268).
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rust-lang/rust#155817 added some restrictions on the symbol name in the
link_nameattribute. The name cannot be empty or contain null bytes.cc @folkertdev