diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/pr41239.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr41239.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr41239.c b/gcc/testsuite/gcc.c-torture/execute/pr41239.c new file mode 100644 index 000000000..9966b867c --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr41239.c @@ -0,0 +1,67 @@ +/* PR rtl-optimization/41239 */ + +struct S +{ + short nargs; + unsigned long arg[2]; +}; + +extern void abort (void); +extern void exit (int); +extern char fn1 (int, const char *, int, const char *, const char *); +extern void fn2 (int, ...); +extern int fn3 (int); +extern int fn4 (const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); + +unsigned long +test (struct S *x) +{ + signed int arg1 = x->arg[0]; + long int arg2 = x->arg[1]; + + if (arg2 == 0) + (fn1 (20, "foo", 924, __func__, ((void *) 0)) + ? (fn2 (fn3 (0x2040082), fn4 ("division by zero"))) + : (void) 0); + + return (long int) arg1 / arg2; +} + +int +main (void) +{ + struct S s = { 2, { 5, 0 } }; + test (&s); + abort (); +} + +__attribute__((noinline)) char +fn1 (int x, const char *y, int z, const char *w, const char *v) +{ + asm volatile ("" : : "r" (w), "r" (v) : "memory"); + asm volatile ("" : "+r" (x) : "r" (y), "r" (z) : "memory"); + return x; +} + +__attribute__((noinline)) int +fn3 (int x) +{ + asm volatile ("" : "+r" (x) : : "memory"); + return x; +} + +__attribute__((noinline)) int +fn4 (const char *x, ...) +{ + asm volatile ("" : "+r" (x) : : "memory"); + return *x; +} + +__attribute__((noinline)) void +fn2 (int x, ...) +{ + asm volatile ("" : "+r" (x) : : "memory"); + if (x) + /* Could be a longjmp or throw too. */ + exit (0); +} |