/* PR rtl-optimization/47028 */ | |
/* { dg-do run } */ | |
/* { dg-options "-O -foptimize-sibling-calls -fno-forward-propagate -fno-tree-copy-prop -fno-tree-dominator-opts" } */ | |
int | |
fib (int n) | |
{ | |
if (n <= 1) | |
return 1; | |
return fib (n - 2) + fib (n - 1); | |
} | |
int | |
main (void) | |
{ | |
if (fib (5) != 8) | |
__builtin_abort (); | |
return 0; | |
} |