[llvm-bugs] [Bug 38175] New: -Wlarge-by-value-copy: misleading documentation

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jul 16 01:14:35 PDT 2018


https://bugs.llvm.org/show_bug.cgi?id=38175

            Bug ID: 38175
           Summary: -Wlarge-by-value-copy: misleading documentation
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: sylvestre at debian.org
                CC: akyrtzi at gmail.com, dgregor at apple.com,
                    llvm-bugs at lists.llvm.org

In the documentation, it is said that "This diagnostic is enabled by default.":
https://clang.llvm.org/docs/DiagnosticsReference.html#wlarge-by-value-copy

However, this is an incorrect statement as it is only the case with a value is
provided.
https://github.com/llvm-mirror/clang/blob/master/lib/Sema/SemaDecl.cpp#L12081

I could not see how to update the source to provide this info so that
clang-tblgen uses it.

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