Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/ubsan/null-12.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* PR sanitizer/80797 */ /* { dg-do run } */ /* { dg-options "-fsanitize=undefined" } */ struct S { int i; }; struct R { struct T { int i; } *t; } r; int main () { struct S *s = 0; struct S *s2[1] = { }; int *v1 = &s->i; int *v2 = &(*s).i; int *v3 = &s2[0]->i; int *v4 = &s->i + 1; int *v5 = &r.t->i; asm ("" : : "r" (&v1) : "memory"); asm ("" : : "r" (&v2) : "memory"); asm ("" : : "r" (&v3) : "memory"); asm ("" : : "r" (&v4) : "memory"); asm ("" : : "r" (&v5) : "memory"); return 0; } /* { dg-output "member access within null pointer of type 'struct S'\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*member access within null pointer of type 'struct S'\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*member access within null pointer of type 'struct S'\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*member access within null pointer of type 'struct S'\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*member access within null pointer of type 'struct T'" } */