emit_bin_vals lowered every pointer-typed ==/!= to @lp_str_eq, so two distinct records compared their bytes up to the first zero byte. Content compare now needs both sides to be text (string, or the untyped pointer/ptr runtime code carries text in); other references use icmp eq ptr, and string vs a non-text reference is a compile error. Adds selfhost/tests/identity.ludic; both seeds regenerated. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
10 lines
586 B
Markdown
10 lines
586 B
Markdown
bump: patch
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type: fix
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**`==` / `!=` on records is identity again** — only two strings compare by content.
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Every pointer-typed comparison used to be lowered to a C-string content compare,
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so two distinct records (properties, slices, enums) compared their bytes up to
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the first zero byte: `a == b` could be true for different objects that shared a
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leading field, depending on layout. References now compare by identity
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(`icmp eq ptr`); `string` (and untyped `pointer`/`pointers` text) still compares by content,
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and comparing a `string` with a non-string reference is a compile error.
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