view clang/test/Preprocessor/overflow.c @ 180:680fa57a2f20

fix compile errors.
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 30 May 2020 17:44:06 +0900
parents 1d019706d866
children
line wrap: on
line source

// RUN: %clang_cc1 -Eonly %s -verify -triple i686-pc-linux-gnu

// Multiply signed overflow
#if 0x7FFFFFFFFFFFFFFF*2 // expected-warning {{overflow}}
#endif

// Multiply unsigned overflow
#if 0xFFFFFFFFFFFFFFFF*2
#endif

// Add signed overflow
#if 0x7FFFFFFFFFFFFFFF+1 // expected-warning {{overflow}}
#endif

// Add unsigned overflow
#if 0xFFFFFFFFFFFFFFFF+1
#endif

// Subtract signed overflow
#if 0x7FFFFFFFFFFFFFFF- -1 // expected-warning {{overflow}}
#endif

// Subtract unsigned overflow
#if 0xFFFFFFFFFFFFFFFF- -1 // expected-warning {{converted from negative value}}
#endif