[llvm-bugs] [Bug 34596] New: Assertion `!NodePtr->isKnownSentinel()' during llvm::MachineTraceMetrics::Ensemble::updateDepths

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34596

            Bug ID: 34596
           Summary: Assertion `!NodePtr->isKnownSentinel()' during
                    llvm::MachineTraceMetrics::Ensemble::updateDepths
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: hans at chromium.org
                CC: llvm-bugs at lists.llvm.org

The assert is firing in Chromium builds using tip-of-tree clang.

See https://bugs.chromium.org/p/chromium/issues/detail?id=764969#c1 for
reproducer.

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