[LLVMbugs] [Bug 3981] New: Recursive structure def. could use better error diagnostics messages

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3981

           Summary: Recursive structure def. could use better error
                    diagnostics messages
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: parser
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: alexei.svitkine at gmail.com
                CC: llvmbugs at cs.uiuc.edu


Consider the following C source code:

struct foo;
struct foo { struct foo f; };

The follow error output is produced:

s.c:2:25: error: field has incomplete type 'struct foo'
struct foo { struct foo f; };
                        ^
s.c:2:8: note: definition of 'struct foo' is not complete until the closing '}'
struct foo { struct foo f; };
       ^
2 diagnostics generated.


These diagnostic messages could be improved. Particularly, the second message
is spurious. 

On an unrelated note, perhaps "Diagnostics" should be a category in Bugzilla to
report bugs against...


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