Comments (3)
swift-ci
commented on August 23, 2024
Comment by Cliff Helsel (JIRA)
Crash occurs in latest dev build
Welcome to Apple Swift version 2.2-dev (LLVM 3ebdbb2c7e, Clang f66c5bb67b, Swift 0ddf238). Type :help for assistance.
1> :command history
Segmentation fault: 11
from llvm-project.
swift-ci
commented on August 23, 2024
Comment by Kate Stone (JIRA)
This is an unsigned underflow situation that can occur when dumping an empty command history. It isn't a problem from the (lldb) prompt since there's always at least one command in the history: "command history." It only occurs under the REPL because REPL commands aren't considered part of the LLDB command history. Whether that's desirable or not is certainly arguable, but CommandHistory::Dump should be bulletproofed against this case regardless.
Since this change isn't Swift-specific it will come in via the upstream llvm.org repository.
from llvm-project.
swift-ci
commented on August 23, 2024
Comment by Kate Stone (JIRA)
Resolved upstream by this change to CommandHistory.cpp.
The change should make it into master by early next week.
from llvm-project.
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