Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr30286.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* PR middle-end/30286 */ /* { dg-do run } */ /* { dg-options "-O2 -ftrapv" } */ /* { dg-require-effective-target trapping } */ extern void abort (void); struct S { struct S *s; }; struct T { struct S *t[25]; }; void __attribute__((noinline)) foo (int i, struct T *x, struct S *y) { int j; for (j = 14; j > i; j--) x->t[j] = y->s; } int main (void) { struct S s; struct T t; int i; s.s = &s; __builtin_memset (&t, 0, sizeof (t)); foo (6, &t, &s); for (i = 0; i < 25; i++) if (t.t[i] != ((i > 6 && i <= 14) ? &s : (struct S *) 0)) abort (); __builtin_memset (&t, 0, sizeof (t)); foo (-1, &t, &s); for (i = 0; i < 25; i++) if (t.t[i] != ((i >= 0 && i <= 14) ? &s : (struct S *) 0)) abort (); return 0; }