[LLVMbugs] [Bug 18798] New: clang raise error when compiling boost constant in constexpr

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18798

            Bug ID: 18798
           Summary: clang raise error when compiling boost constant in
                    constexpr
           Product: clang
           Version: 3.4
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++11
          Assignee: unassignedclangbugs at nondot.org
          Reporter: mousekrup at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

For example, the following line:
"static constexpr double SEC3 =
static_cast<double>(45)/180*boost::math::double_constants::pi;"
gives me error
"Error - constexpr variable 'SEC3' must be initialized by a constant
expression"

But gcc compile this line just fine.

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