Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/ftrapv-1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-do run } */ /* { dg-additional-options "-ftrapv -fno-ipa-vrp" } */ /* { dg-require-effective-target trapping } */ /* { dg-require-fork "" } */ #include <stdlib.h> #include <unistd.h> #include <sys/types.h> #include <sys/wait.h> /* Verify SImode operations properly trap. PR middle-end/52478 */ /* Disallow inlining/cloning which would constant propagate and trigger unrelated bugs. */ int __attribute__((noinline,noclone)) iaddv (int a, int b) { return a + b; } int main(void) { pid_t child = fork (); int status = 0; if (child == 0) { volatile int x = iaddv (__INT_MAX__, 1); exit (0); } else if (child == -1) return 0; if (wait (&status) == child && status == 0) abort (); return 0; }