codegen.c: raise NoMatchingPatternError in case/in without else#6744
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codegen.c: raise NoMatchingPatternError in case/in without else#6744
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case/in without else clause now raises NoMatchingPatternError when no pattern matches, matching CRuby behavior. Fixes #6741. Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Claude <noreply@anthropic.com>
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Summary
case/inwithoutelseclause now raisesNoMatchingPatternErrorwhen no pattern matches, matching CRuby behaviorOP_MATCHERRopcode was already implemented and used for one-line pattern matching (expr => pattern), but was not emitted forcase/inFixes #6741
Test plan
NoMatchingPatternErroris raisedcase/inwithelseclause still works correctly