| /* PR tree-optimization/88800 - Spurious -Werror=array-bounds for non-taken |
| branch |
| Verify that out-of-bounds memcpy calls are not folded even when |
| warnings are disabled. |
| { dg-do compile } |
| { dg-options "-O2 -w -fdump-tree-optimized" } */ |
| |
| extern void* memcpy (void*, const void*, __SIZE_TYPE__); |
| |
| char a1[1], a2[2], a4[4], a8[8], a16[16], a32[32]; |
| |
| void f1 (const void *p) |
| { |
| memcpy (a1, p, sizeof a1 * 2); |
| } |
| |
| void f2 (const void *p) |
| { |
| memcpy (a2, p, sizeof a2 * 2); |
| } |
| |
| void f4 (const void *p) |
| { |
| memcpy (a4, p, sizeof a4 * 2); |
| } |
| |
| void f8 (const void *p) |
| { |
| memcpy (a8, p, sizeof a8 * 2); |
| } |
| |
| void f16 (const void *p) |
| { |
| memcpy (a16, p, sizeof a16 * 2); |
| } |
| |
| void f32 (const void *p) |
| { |
| memcpy (a32, p, sizeof a32 * 2); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "memcpy" 6 "optimized" } } */ |