1// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 2 3void operator "" p31(long double); // expected-warning{{user-defined literal suffixes not starting with '_' are reserved}} 4void operator "" _p31(long double); 5long double operator "" pi(long double); // expected-warning{{user-defined literal suffixes not starting with '_' are reserved}} 6 7float hexfloat = 0x1p31; // allow hexfloats 8