[llvm-bugs] [Bug 47468] New: X86 ChromeOS devices with kernel 4.4 fails to boot after 4b0aa5724feaa89a9538dcab97e018110b0e4bc3

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Sep 8 17:56:10 PDT 2020


https://bugs.llvm.org/show_bug.cgi?id=47468

            Bug ID: 47468
           Summary: X86 ChromeOS devices with kernel 4.4 fails to boot
                    after 4b0aa5724feaa89a9538dcab97e018110b0e4bc3
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Common Code Generator Code
          Assignee: unassignedbugs at nondot.org
          Reporter: caij2003 at gmail.com
                CC: llvm-bugs at lists.llvm.org

While building with recent LLVM versions, we found X86 ChromeOS images with
kernel 4.4 all failed to boot. We bisected it to the following commit.

commit 4b0aa5724feaa89a9538dcab97e018110b0e4bc3
Author: James Y Knight <jyknight at google.com>
Date:   Fri May 15 23:43:30 2020 -0400

Change the INLINEASM_BR MachineInstr to be a non-terminating instruction.

Link: https://crbug.com/1123683

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