[llvm-bugs] [Bug 39133] New: Missing nonnull attribute for string_view(const _CharT* __s)

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Sep 29 16:49:10 PDT 2018


https://bugs.llvm.org/show_bug.cgi?id=39133

            Bug ID: 39133
           Summary: Missing nonnull attribute for string_view(const
                    _CharT* __s)
           Product: libc++
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david.bolvansky at gmail.com
                CC: llvm-bugs at lists.llvm.org, mclow.lists at gmail.com

Passing nullptr to string_view(const _CharT* __s) is undefined behavior.

=> mark string_view(const _CharT* __s) with __attribute__((__nonnull__)) to
enable more compiler optimizations?

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