[GHC] Batch modify: #12776, #12944, #12425, #11525, #11731, #12234, ...

[GHC]

Batch modification to #12776, #12944, #12425, #11525, #11731, #12234, #12846, #12885, #12921, #12985, #13025, #13035, #13043, #13050, #13056, #13083, #13135, #13285, #12055 by bgamari:


Action: merged

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