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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [pr20601-1.c] - Rev 154
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/* PR tree-optimization/20601 */ extern void abort (void); extern void exit (int); struct T { char *t1; char t2[4096]; char **t3; }; int a[5]; int b; char **c; int d; char **e; struct T t; char *f[16]; char *g[] = { "a", "-u", "b", "c" }; __attribute__ ((__noreturn__)) void foo (void) { while (1); } __attribute__ ((noinline)) char * bar (char *x, unsigned int y) { return 0; } static inline char * baz (char *x, unsigned int y) { if (sizeof (t.t2) != (unsigned int) -1 && y > sizeof (t.t2)) foo (); return bar (x, y); } static inline int setup1 (int x) { char *p; int rval; if (!baz (t.t2, sizeof (t.t2))) baz (t.t2, sizeof (t.t2)); if (x & 0x200) { char **h, **i = e; ++d; e = f; if (t.t1 && *t.t1) e[0] = t.t1; else abort (); for (h = e + 1; (*h = *i); ++i, ++h) ; } return 1; } static inline int setup2 (void) { int j = 1; e = c + 1; d = b - 1; while (d > 0 && e[0][0] == '-') { if (e[0][1] != '\0' && e[0][2] != '\0') abort (); switch (e[0][1]) { case 'u': if (!e[1]) abort (); t.t3 = &e[1]; d--; e++; break; case 'P': j |= 0x1000; break; case '-': d--; e++; if (j == 1) j |= 0x600; return j; } d--; e++; } if (d > 0 && !(j & 1)) abort (); return j; } int main (void) { int x; c = g; b = 4; x = setup2 (); t.t1 = "/bin/sh"; setup1 (x); /* PRE shouldn't transform x into the constant 0x601 here, it's not legal. */ if ((x & 0x400) && !a[4]) abort (); exit (0); }
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