[llvm-bugs] [Bug 35978] New: llvm::Optional<T> not trivially copyable if T is trivially copyable

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35978

            Bug ID: 35978
           Summary: llvm::Optional<T> not trivially copyable if T is
                    trivially copyable
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Support Libraries
          Assignee: unassignedbugs at nondot.org
          Reporter: chisophugis at gmail.com
                CC: llvm-bugs at lists.llvm.org

This causes clang-tidy's performance-unnecessary-value-param to fire on it
(which presumably indicates a performance problem).

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