[Bug 111038] [regression][bisected][ICL] piglit spec.arb_fragment_program.fp-indirections2 assertion

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111038

            Bug ID: 111038
           Summary: [regression][bisected][ICL] piglit
                    spec.arb_fragment_program.fp-indirections2 assertion
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Keywords: bisected, regression
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: jason at jlekstrand.net
          Reporter: clayton.a.craft at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Output:

/tmp/build_root/m64/lib/piglit/bin/fp-indirections2 -auto -fbo
Standard Error
fp-indirections2: ../src/intel/compiler/brw_fs_generator.cpp:2251: int
fs_generator::generate_code(const cfg_t*, int): Assertion `validated' failed.


Bisected to:

commit f4ef34f207d15bcade7aed644328035dd0f2cc16
Author: Jason Ekstrand <jason at jlekstrand.net>
Date:   Wed May 29 17:46:55 2019 -0500

    intel/fs: Add an UNDEF instruction to avoid excess live ranges

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