Do not compute protoFormal if param.tpt is empty
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This was accidentally moved before of the `if (!param.tpt.isEmpty)` guard in scala@0f7c3ab#diff-8c9ece1772bd78160fc1c31e988664586c9df566a1d22ff99ef99dd6d5627a90R1534 Fixes scala#18276
nicolasstucki
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nicolasstucki
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Jul 25, 2023
| if desugared.isEmpty then | ||
| val inferredParams: List[untpd.ValDef] = | ||
| for ((param, i) <- params.zipWithIndex) yield | ||
| val (formalBounds, isErased) = protoFormal(i) |
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This line moved into the else branch. The rest should not have changed.
nicolasstucki
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Jul 25, 2023
| else errorType(AnonymousFunctionMissingParamType(param, tree, inferredType = formal, expectedType = pt), param.srcPos) | ||
| ) | ||
| cpy.ValDef(param)(tpt = paramTpt) | ||
| if isErased then param0.withAddedFlags(Flags.Erased) else param0 |
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And this was moved into the else branch asl well.
jchyb
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Jul 26, 2023
Kordyjan
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This was accidentally moved before of the
if (!param.tpt.isEmpty)guard in 0f7c3ab#diff-8c9ece1772bd78160fc1c31e988664586c9df566a1d22ff99ef99dd6d5627a90R1534.protoFormalhas a side effect (error reporting) that caused this issue.Fixes #18276