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The function was checking `rt.thentype` twice instead of checking both `rt.thentype` and `rt.elsetype`. This caused incorrect type narrowing when conditional types were propagated through wrapper functions. Fixes #60883 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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The function was checking `rt.thentype` twice instead of checking both `rt.thentype` and `rt.elsetype`. This caused incorrect type narrowing when conditional types were propagated through wrapper functions. Fixes #60883. Completely done by Claude. Co-authored-by: Keno Fischer <Keno@users.noreply.github.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> (cherry picked from commit 922aa53)
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The function was checking
rt.thentypetwice instead of checking bothrt.thentypeandrt.elsetype. This caused incorrect type narrowing when conditional types were propagated through wrapper functions.Fixes #60883. Completely done by Claude.