PR #42003 Avoid impossible unionall normalization

Avoid impossible unionall normalization #42003

vtjnash merged 1 commit into master from mh/avoid-imposssible-unionall-normalization

Avoid impossible unionall normalization

48c7e2f2

martinholters added backport 1.6

martinholters added backport 1.7

vtjnash added merge me

vtjnash merged b5b0684e into master 4 years ago

vtjnash deleted the mh/avoid-imposssible-unionall-normalization branch 4 years ago

DilumAluthge removed merge me

KristofferC removed backport 1.6

KristofferC removed backport 1.7

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