[llvm-bugs] [Bug 30520] New: clang segfaults on invalid transparent_union declaration

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=30520

            Bug ID: 30520
           Summary: clang segfaults on invalid transparent_union
                    declaration
           Product: clang
           Version: 3.9
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: vicencb at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 17346
  --> https://llvm.org/bugs/attachment.cgi?id=17346&action=edit
tarball with command output, source file and additional files generated during
the crash

Hello,

To reproduce the bug just execute "clang -c err.c".

err.c has been simplified to one single and short line, so, it should be easier
to debug:
union u { struct stb b; } __attribute__((transparent_union));

Regards,
  Vicente.

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