This causes every command to be echo'd to stderr, and any failing command will fail the whole script. Without this the regression script will always pass.
I'm seeing some odd behavior where "make run-asm-tests" actually does nothing. This works around the issue.
* Adds support for a L2 cache with directory bits for tracking L1 coherence (DefaultL2Config), and new metadata-based coherence API. * Additional tests. * New virtual memory implementation, priviliged architecture (1.7), custom CSRs, FDivSqrt unit * Updated TileLink protocol, NASTI protocol SHIMs. * Lays groundwork for multiple top-level memory channels, superscalar fetch. * Bump all submodules.