[LLVMbugs] [Bug 19966] New: Segfault on 'template <enum E>' when 'std::underlying_type<E>' is mentioned

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Jun 5 23:56:58 PDT 2014


            Bug ID: 19966
           Summary: Segfault on 'template <enum E>' when
                    'std::underlying_type<E>' is mentioned
           Product: clang
           Version: 3.4
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: m8r-51ou61 at monumentmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12620
  --> http://llvm.org/bugs/attachment.cgi?id=12620&action=edit
Preprocessed source

Clang correctly diagnoses that 'enum E' is disallowed in the template
declaration, however, it segfaults afterwards. If std::underlying_type<E> is
removed, the segfault does not occur. Other templates such as std::vector<E> or
std::is_enum<E> do not trigger the error, nor does the mention of a
non-existent type (e.g. Bar<E>).

Platform is Linux x86_64 with Clang 3.4.1 and libstdc++ 3.3.6.

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