| /* PR middle-end/23848 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ |
| /* { dg-require-effective-target alloca } */ |
| |
| void bar (char *, char *, char *, char *, int); |
| void foo (int size) |
| { |
| char temp[size]; |
| temp[size-1] = '\0'; |
| { |
| char temp2[size]; |
| { |
| char temp3[size]; |
| { |
| char temp4[size]; |
| bar (temp, temp2, temp3, temp4, size); |
| } |
| } |
| bar (temp, temp2, (char *) 0, (char *) 0, size); |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-times "__builtin_stack_save" 1 "optimized"} } */ |
| /* { dg-final { scan-tree-dump-times "__builtin_stack_restore" 1 "optimized"} } */ |
