Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/c-c++-common/Warray-bounds-6.c @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | |
| children |
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| 131:84e7813d76e9 | 145:1830386684a0 |
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| 1 /* PR tree-optimization/86614 */ | |
| 2 /* { dg-do compile } */ | |
| 3 /* { dg-options "-O2 -Warray-bounds" } */ | |
| 4 | |
| 5 extern char *strncpy (char *, const char *, __SIZE_TYPE__); | |
| 6 | |
| 7 void sink (void *); | |
| 8 | |
| 9 struct A { char b[17]; } a[2]; | |
| 10 | |
| 11 void g (const char *s, unsigned n) | |
| 12 { | |
| 13 int i = (char *)a[1].b - (char *)a + 1; | |
| 14 char *d = a[1].b; | |
| 15 /* Ensure the same bug is not diagnosed more than once. */ | |
| 16 strncpy (d + i, s, n); /* { dg-warning "array subscript \[0-9]+ is outside array bounds of" } */ | |
| 17 /* { dg-bogus "offset \[0-9]+ is out of the bounds \\\[0, \[0-9]+\\\] of object 'a' with type" "" { target *-*-* } .-1 } */ | |
| 18 } |