We see somewhat similar rename corruption on XFS, also under heavy compile workloads. The reporters have already ruled out the XFS changes from the 4.7 merge window, so this looks a lot like the VFS changes that went into this merge window.
- [4.7-rc3 June 16th code][EXT4] Rename file corruption? Shawn Starr
- Re: [4.7-rc3 June 16th code][EXT4] Rename file corr... Christoph Hellwig