Backport "Disallow overloading from breaking stable patterns" to LTS #19163
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[Cherry-picked 85d656a]
In particular, must continue to use the type's prefix, rather than the denotation's prefix. That way, e.g. in tests/neg/i3812b.scala, referencing value class'\''s value, will fail on the non-stable value class prefix, rather than the denotation'\''s prefix, which is NoSymbol. [Cherry-picked e6012a0]
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No regressions detected in the community build up to lts-16941. |
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Backports #18327 to the LTS branch.
PR submitted by the release tooling.
[skip ci]