8000 [Records] ECJ compiles arity mismatched canonical constructor · Issue #3663 · eclipse-jdt/eclipse.jdt.core · GitHub
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[Records] ECJ compiles arity mismatched canonical constructor #3663

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srikanth-sankaran opened this issue Feb 3, 2025 · 0 comments · Fixed by #3993
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[Records] ECJ compiles arity mismatched canonical constructor #3663

srikanth-sankaran opened this issue Feb 3, 2025 · 0 comments · Fixed by #3993
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srikanth-sankaran commented Feb 3, 2025 •
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Found by JLS review and black-box testing:

This program compiles with ECJ but javac rejects it with: error: invalid canonical constructor in record R (type and arity must match that of the corresponding record component)

I believe javac behavior is correct since we won't be able to invoke the explicitly declared constructor with multiple int arguments.

record R(int ... x) {
	
	R(int [] x) {
		this.x = x;
	}
	
}
@srikanth-sankaran srikanth-sankaran self-assigned this Feb 3, 2025
srikanth-sankaran added a commit to srikanth-sankaran/eclipse.jdt.core that referenced this issue May 9, 2025
@srikanth-sankaran
[Records] Missing @OverRide annotation on component accessors not
664786f 
complained about by ECJ

* Fixes eclipse-jdt#3957

[Records] ECJ compiles arity mismatched canonical constructor

* Fixes eclipse-jdt#3663
@srikanth-sankaran srikanth-sankaran mentioned this issue May 9, 2025
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