[llvm-bugs] [Bug 51361] New: Obvious false positive: 'ret' is read by 'return ret; '. scan-build reports 'ret never read'.

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Aug 5 08:41:22 PDT 2021


            Bug ID: 51361
           Summary: Obvious false positive: 'ret' is read by 'return
                    ret;'. scan-build reports 'ret never read'.
           Product: clang
           Version: 11.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Static Analyzer
          Assignee: dcoughlin at apple.com
          Reporter: vpodobaev at mail.ru
                CC: dcoughlin at apple.com, llvm-bugs at lists.llvm.org

Created attachment 25108
  --> https://bugs.llvm.org/attachment.cgi?id=25108&action=edit
false positive report


I'm using scan-build-11 from clang-tools-11 1:11.0.1-2~bpo10+1 (Debian 10).

Attaching the false positive report.

Line 134: ret = 0;
scan-build says, ret is never read anymore.
But next line: goto end;
And on line 147: return ret;

So, ret is obviously read.

Best regards, Vladimir

You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20210805/132622d9/attachment.html>

More information about the llvm-bugs mailing list