Backport "Avoid crashes on missing positions" to LTS #20798
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All positions should be set on these trees and symbols at this point. If one is missing it is due to a compiler bug. We default the position to 0 if there is a missing position to avoid crashing when calling methods on Position. To make it possible for us to fix these missing positions, we warn if there is a missing position when compiling with -Xcheck-macros. [Cherry-picked 8d5a04c]
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No regressions detected in the community build up to lts-19356. |
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Backports #19250 to the LTS branch.
PR submitted by the release tooling.
[skip ci]