| /* This tests that when faced with two references to the same memory |
| location in the same basic block, the second reference should not |
| be instrumented by the Address Sanitizer. But in case of access to |
| overlapping regions we must be precise. */ |
| |
| /* { dg-options "-fdump-tree-asan0" } */ |
| /* { dg-do compile } */ |
| /* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */ |
| |
| int |
| main () |
| { |
| char tab[5]; |
| |
| /* Here, we instrument the access at offset 0 and access at offset |
| 4. */ |
| __builtin_memset (tab, 1, sizeof (tab)); |
| /* We instrumented access at offset 0 above already, so only access |
| at offset 3 is instrumented. */ |
| __builtin_memset (tab, 1, 3); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "__builtin___asan_report_store1" 3 "asan0" } } */ |
| /* { dg-final { scan-tree-dump-times "__builtin___asan_report" 3 "asan0" } } */ |
| /* { dg-final { cleanup-tree-dump "asan0" } } */ |
