| /* 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; | |
| } |