[LLVMbugs] [Bug 14497] New: Incorrect parsing of decltype() of expression with > operator as template argument

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Dec 3 13:05:30 PST 2012


http://llvm.org/bugs/show_bug.cgi?id=14497

             Bug #: 14497
           Summary: Incorrect parsing of decltype() of expression with >
                    operator as template argument
           Product: clang
           Version: 3.1
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++11
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: ingo_weinhold at gmx.de
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


The following well-formed program fails compiling:

template<typename Dummy>
struct Foo {
    static const bool dummy = true;
};

int main()
{
    return Foo<decltype(2 > 1)>::dummy ? 0 : 1;
}

Error output:

template-argument-expression.cpp:9:24: error: expected ')'
        return Foo<decltype(2 > 1)>::dummy ? 0 : 1;
                              ^
template-argument-expression.cpp:9:21: note: to match this '('
        return Foo<decltype(2 > 1)>::dummy ? 0 : 1;
                           ^

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