https://bugs.kde.org/show_bug.cgi?id=396176

--- Comment #1 from Jérôme Carretero <cj-...@zougloub.eu> ---
It's rdrand32_step (used as a gcc built-in)

vex amd64->IR: unhandled instruction bytes: 0xF 0xC7 0xF0 0xBA 0x1 0x0 0x0 0x0
0x89 0x6
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=0F
vex amd64->IR:   PFX.66=0 PFX.F2=0 PFX.F3=0
==30590== valgrind: Unrecognised instruction at address 0x846054f.
==30590==    at 0x846054F: _rdrand32_step (immintrin.h:109)
==30590==    by 0x846054F: qt_random_cpu (qrandom.cpp:114)
==30590==    by 0x846054F: QRandomGenerator::SystemGenerator::generate(unsigned
int*, unsigned int*) (qrandom.cpp:369)

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