[llvm-bugs] [Bug 38768] New: [meta][DebugInfo] Umbrella bug for poor debug experiences

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38768

            Bug ID: 38768
           Summary: [meta][DebugInfo] Umbrella bug for poor debug
                    experiences
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Keywords: wrong-debug
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: jeremy.morse.llvm at gmail.com
                CC: chackz0x12 at gmail.com, greg.bedwell at sony.com,
                    international.phantom at gmail.com,
                    llvm-bugs at lists.llvm.org,
                    paul_robinson at playstation.sony.com
        Depends on: 38753, 38754, 38756, 38762, 38763, 38764

This is an umbrella / meta bug for poor debug experience bugzillas: anything
where the actual operation of a debugger by a developer is broken or
suboptimal, due to bad debug info from llvm. Related tickets block this one.

It's closely related to bug 37953, a meta-bug for debugify failures in specific
passes.


Referenced Bugs:

https://bugs.llvm.org/show_bug.cgi?id=38753
[Bug 38753] Stale debug variable value in optimised code
https://bugs.llvm.org/show_bug.cgi?id=38754
[Bug 38754] Debug: illegal value appears in variable when conditional blocks
folded
https://bugs.llvm.org/show_bug.cgi?id=38756
[Bug 38756] Debug: illegal value and unreachable lines seen when conditional
stores merged
https://bugs.llvm.org/show_bug.cgi?id=38762
[Bug 38762] [DebugInfo][Dexter] Unreachable line stepped onto after speculating
2 insns
https://bugs.llvm.org/show_bug.cgi?id=38763
[Bug 38763] [DebugInfo][Dexter] Speculated BB presents illegal variable value
to debugger
https://bugs.llvm.org/show_bug.cgi?id=38764
[Bug 38764] [DebugInfo][Dexter] Misleading watch value of aggregate member at
-O2 optimisation.
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