https://issues.dlang.org/show_bug.cgi?id=22830

          Issue ID: 22830
           Summary: Solaris: error: module 'core.stdc.math' import
                    'signbit' not found
           Product: D
           Version: D2
          Hardware: All
                OS: Solaris
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: ibuclaw@gdcproject.org

Failing tests:
test/runnable/constfold.d
test/runnable/complex.d

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