pytorch

538f6279 - Fix access to unitialized memory in VSX vector functions (#89833)

Fix access to unitialized memory in VSX vector functions (#89833) This results in e.g. failures in TestNNDeviceTypeCPU.test_groupnorm_nhwc_cpu_float32 So simply initialize the stack array with zeroes as expected and done in other implementations Fixes #32502 Pull Request resolved: https://github.com/pytorch/pytorch/pull/89833 Approved by: https://github.com/ezyang