Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/wtr-int-type-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* Test for -Wtraditional warnings on integer constant types. Note, gcc should omit these warnings in system header files. By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/22/2000. */ /* { dg-do compile } */ /* { dg-options "-std=c99 -Wtraditional" } */ void testfunc () { long long i; /* Octal and hex values shouldn't issue -Wtraditional warnings. */ i = 0x80000000; i = 0xFFFFFFFF; i = 037777777777; i = 0x8000000000000000; i = 0xFFFFFFFFFFFFFFFF; i = 01777777777777777777777; /* Nor should values outside the range of (32-bit) unsigned long but inside the range of long long. [since -traditional has no long long, we can pretend it worked the way it does in C99.] */ i = 9223372036854775807; /* But this one should, since it doesn't fit in long (long), but does fit in unsigned long (long). */ i = 18446744073709551615; /* { dg-warning "integer constant is so large that it is unsigned" "so large" } */ /* { dg-warning "this decimal constant would be unsigned in ISO C90" "ISO C90" { target *-*-* } .-1 } */ # 29 "sys-header.h" 3 } void testfunc2( ) { long long i; /* We are in system headers now, no -Wtraditional warnings should issue. */ i = 0x80000000; i = 0xFFFFFFFF; i = 037777777777; i = 0x8000000000000000; i = 0xFFFFFFFFFFFFFFFF; i = 01777777777777777777777; i = 9223372036854775807; i = 18446744073709551615; }