Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/ubsan/align-8.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* Limit this to known non-strict alignment targets. */ /* { dg-do run { target { i?86-*-linux* x86_64-*-linux* } } } */ /* { dg-options "-O -fsanitize=alignment -fsanitize-undefined-trap-on-error -Wno-address-of-packed-member -fdump-tree-sanopt-details" } */ /* { dg-skip-if "" { *-*-* } { "-flto -fno-fat-lto-objects" } } */ /* { dg-shouldfail "ubsan" } */ struct S { int a; char b; long long c; short d[10]; }; struct T { char a; long long b; }; struct U { char a; int b; int c; long long d; struct S e; struct T f; } __attribute__((packed)); struct V { long long a; struct S b; struct T c; struct U u; } v; __attribute__((noinline, noclone)) int foo (struct S *p) { volatile int i; i = p->a; i = p->a; i = p->a; i = p->a; return p->a; } int main () { if (foo (&v.u.e)) __builtin_abort (); return 0; } /* { dg-final { scan-tree-dump-times "Optimizing" 4 "sanopt"} } */