[llvm-bugs] [Bug 32646] New: UBSAN binary segfaults on correct UB-free test case.
llvm-bugs at lists.llvm.org
Wed Apr 12 15:11:16 PDT 2017
Bug ID: 32646
Summary: UBSAN binary segfaults on correct UB-free test case.
Component: Miscellaneous Instrumentation passes
Assignee: unassignedbugs at nondot.org
Reporter: babokin at gmail.com
CC: llvm-bugs at lists.llvm.org
Created attachment 18280
I observe this bug quite frequently and it seems that this happens only on big
test cases. Also I failed to reduce the test case, which also supports my
assumption that this is a bug, which shows up only on big tests. Probably
int/size_t bug somewhere in UBSAN implementation?
The test itself is auto-generated test, which doesn't contain undefined
Execute "run.sh" from attached archive - it will compile the test case and run
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