https://issues.dlang.org/show_bug.cgi?id=14231

          Issue ID: 14231
           Summary: findRoot fails with trivial bounds
           Product: D
           Version: D2
          Hardware: x86
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Phobos
          Assignee: nobody@puremagic.com
          Reporter: ilyayaroshenko@gmail.com

unittest {
    auto x = findRoot((float x) => x, 0f, 1f);
}

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