// Test that -Wparentheses does not give bogus warnings in the// presence of templates for non-plain assignment.  Bug 17120.// { dg-do compile }// { dg-options "-Wparentheses" }template<typename _Tp>  inline _Tp  cmath_power(_Tp __x, unsigned int __n)  {    while (__n >>= 1)      ;    return __x;  }int main(){  cmath_power(1.0, 3);}