Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/pr43772.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* { dg-do compile } */ /* { dg-options "-Wlogical-op -Wtype-limits" } */ #include <limits.h> long long emacs_lseek (long long offset) { return -1-9223372036854775807LL <= offset && offset <= 9223372036854775807LL; } long long foo (long long offset) { return -1-9223372036854775807LL > offset && offset > 9223372036854775807LL; } long long foo3 (long long offset) { return -1-9223372036854775807LL > offset && offset < 9223372036854775807LL; } long long foo2 (long long offset) { if (-1-9223372036854775807LL <= offset) return 0; if (offset <= 9223372036854775807LL) return 0; if (-1-9223372036854775807LL > offset) return 0; if (offset > 9223372036854775807LL) return 0; return 1; } # define BOT INT_MIN # define TOP INT_MAX long long get_intmax(void); int get_int(void); extern void do_something(void); int main(void) { int i = get_int(); long long x = get_intmax(); i = (i > BOT && i < TOP); //OK i = (i >= BOT+1 && i <= TOP-1); //OK i = (i >= BOT && i <= TOP); //Oops! }