[llvm-bugs] [Bug 39929] New: Problem when declaring enum constant with old style function parameter declaration in C11.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=39929

            Bug ID: 39929
           Summary: Problem when declaring enum constant with old style
                    function parameter declaration in C11.
           Product: clang
           Version: trunk
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: anders.granlund.0 at gmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
                    neeilans at live.com, richard-llvm at metafoo.co.uk

Consider the following C11 program (prog.c):

  void f(e)
    enum { x } e;
  {
    x;
  }

  int main()
  { 
  }

I was compiling this program with:

  clang prog.c -std=c11 -pedantic-errors "-w"

The expected behaviour is that it should work, but I get the following error:

  error: use of undeclared identifier 'x'

Note that it works fine when using the new style of declaring function
parameters.

Also note that it works fine in gcc.

Link to online compiler:

  https://wandbox.org/permlink/CGczhD2xFRJkUzTs

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