https://bugs.kde.org/show_bug.cgi?id=409501

            Bug ID: 409501
           Summary: amd64->IR: unhandled instruction bytes
           Product: valgrind
           Version: 3.14.0
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: vex
          Assignee: jsew...@acm.org
          Reporter: 4ctrl.alt....@gmail.com
  Target Milestone: ---

Created attachment 121325
  --> https://bugs.kde.org/attachment.cgi?id=121325&action=edit
Full output of valgrind crashing

When I call valgrind to profile my Qt program it fails with the following vex
message:

vex amd64->IR: unhandled instruction bytes: 0x8F 0xE8 0x78 0xCD 0xC9 0x4 0xC5
0xF9 0xD7 0xC9
vex amd64->IR:   REX=0 REX.W=0 REX.R=0 REX.X=0 REX.B=0
vex amd64->IR:   VEX=0 VEX.L=0 VEX.nVVVV=0x0 ESC=NONE
vex amd64->IR:   PFX.66=0 PFX.F2=0 PFX.F3=0

uname -a:
Linux chimera 4.19.27-gentoo-r1 #1 SMP Tue Apr 16 08:41:25 PDT 2019 x86_64 AMD
FX(tm)-9370 Eight-Core Processor AuthenticAMD GNU/Linux

GCC:
gcc (Gentoo 8.3.0-r1 p1.1) 8.3.0

KDE Plasma version: 5.15.5
Qt Version: 5.12.3

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