| /* PR tree-optimization/87034 - missing -Wformat-overflow on a sprintf |
| %s with a wide string. */ |
| /* { dg-do compile } */ |
| /* { dg-require-effective-target 4byte_wchar_t } */ |
| /* { dg-options "-O2 -Wall -Wformat-overflow -ftrack-macro-expansion=0" } */ |
| |
| typedef __WCHAR_TYPE__ wchar_t; |
| |
| extern int sprintf (char*, const char*, ...); |
| |
| struct S |
| { |
| char a[1]; |
| void (*pf)(void); |
| }; |
| |
| void test (struct S *p) |
| { |
| const char *q = sizeof (wchar_t) == 2 |
| ? (char*)L"\x4142\x4344" : (char*)L"\x41424344\x45464748"; |
| |
| sprintf (p->a, "%s", q); /* { dg-warning "\\\[-Wformat-overflow" "pr87034" { xfail *-*-*} } */ |
| } |
