https://bugs.kde.org/show_bug.cgi?id=480545
Bug ID: 480545
Summary: unhandled instruction bytes: 0x62 0xF1 0xFE 0x48 0x7F
0x84 0x24 0x10 0x0 0x0
Classification: Developer tools
Product: valgrind
Version: 3.22.0
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: vex
Assignee: jsew...@acm.org
Reporter: k...@chrisada.co.uk
Target Milestone: ---
SUMMARY
valgrind quits due to
vex amd64->IR: unhandled instruction bytes: 0x62 0xF1 0xFE 0x48 0x7F 0x84 0x24
0x10 0x0 0x0
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
==26717== valgrind: Unrecognised instruction at address 0x1091ed.
==26717== at 0x1091ED: main (stl_deque.h:151)
Processor: Intel(R) Xeon(R) w5-3435X
STEPS TO REPRODUCE
Simple test program:
#include <deque>
#include <stdio.h>
int main(void)
{
std::deque<int> someDeque;
someDeque.emplace_back( 123 );
printf( "%u\n", someDeque.front() );
return 0;
}
compile with:
g++ -g -O3 -march=native dequeTest.cpp -o dequeTest
OBSERVED RESULT
Illegal instruction (core dumped)
EXPECTED RESULT
Success.
SOFTWARE/OS VERSIONS
Ubuntu Focal
valgrind 3.22.0 built from source
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