Patch empty implicit parens on error recovery #22835
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Requires a tweak: an implicit param list is not supplied implicitly if an arg list is present (but defaults may be supplied in the explicit application). It must not continue implicit application when rewriting. Ha, in other words, |
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Added a test case for rewrite of |
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The spurious failure is cc timeout on posCC, negAll, runAll. |
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Offer a rewrite for an erroneous application
f()where the parameter list isimplicitand a parameter lacks a default arg.This was never official syntax, but was accepted from 3.3.4/3.4.2 due to a bug. The rewrite is for 3.7-migration, using the existing
MigrationVersion.ImplicitParamsWithoutUsing, since that is a similar bit of syntax.Fixes #22792