[llvm-bugs] [Bug 31995] New: Verifier: When visiting a function, the DISubprogram is visited twice

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=31995

            Bug ID: 31995
           Summary: Verifier: When visiting a function, the DISubprogram
                    is visited twice
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-bugs at justinbogner.com
                CC: llvm-bugs at lists.llvm.org

Verifier::visitFunction calls visitMDNode for all debug attachments (which will
include the subprogram if any), and then later specifically calls
visitDISubprogram. This duplication of work is mostly harmless, but it's
inefficient and means that any verifier errors here will be emitted twice.

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