https://bugs.kde.org/show_bug.cgi?id=444571
--- Comment #2 from Mark Wielaard <m...@klomp.org> ---
I wonder if this is also related to the following fail in
helgrind/tests/free_is_write:
-ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
+ERROR SUMMARY: 5 errors from 1 contexts (suppressed: 0 from 0)
The error is detected 5 times in the same spot and the assembly shows a
lxsibzx/
stxsibx pair used:
33
34 /* Write, which isn't coordinated with the free ==> a race
35 should be reported. */
36 char c = s_mem[5];
0x0000000010000a04 <+236>: nop
0x0000000010000a08 <+240>: addi r9,r2,-32408
0x0000000010000a0c <+244>: ld r9,0(r9)
0x0000000010000a10 <+248>: addi r9,r9,5
0x0000000010000a14 <+252>: lxsibzx vs0,0,r9
0x0000000010000a18 <+256>: addi r9,r31,36
0x0000000010000a1c <+260>: stxsibx vs0,0,r9
37 __asm__ __volatile__("" : : "r"((long)c) );
0x0000000010000a20 <+264>: lbz r9,36(r31)
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