https://bugs.kde.org/show_bug.cgi?id=470132
Bug ID: 470132
Summary: s390x: Assertion failure on VGM instruction
Classification: Developer tools
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: vex
Assignee: jsew...@acm.org
Reporter: ar...@linux.ibm.com
Target Milestone: ---
A valid VGM instruction can cause Valgrind to exit with an assertion failure
like this:
vex: priv/guest_s390_toIR.c:16378 (s390_irgen_VGM): Assertion `from <= to'
failed.
This assertion is incorrect. Instead, the reversed case `from > to' is valid
and should result in a wrap-around mask.
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