[llvm-bugs] [Bug 40144] New: Clang rejects well-formed C99 program using [*] in typeredefinition.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=40144

            Bug ID: 40144
           Summary: Clang rejects well-formed C99 program using [*] in
                    typeredefinition.
           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

Test program (prog.c):

  int main()
  {
    typedef void t(int (*)[*]);
    typedef void t(int (*)[*]);
  }

Compilation command line:

  clang prog.c -Wall -Wextra -std=c11 -pedantic-errors

Observed behaviour:

  The following error message is outputed:

    error: typedef redefinition with different types ('void (int (*)[*])' vs
           'void (int (*)[*])')

Expected behaviour:

  No error message. The two types are equal and not a variably modified type,
so
  the typeredefinition should be allowed according to the standard.

Note:

  gcc does not give any error messages.

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