Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/torture/pr38745.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ union u_u16 { unsigned short v; struct { unsigned char lo8, hi8; } __attribute__ ((__may_alias__)) u; } __attribute__ ((__may_alias__)); union u_u32 { unsigned int v; struct { u_u16 lo16, hi16; } u; } __attribute__ ((__may_alias__)); union u_u64 { struct { u_u32 lo32, hi32; } u; }; struct Record { }; long long UnpackFullKey (Record & rec, const char *&p) { long long c64 = 0; (*(u_u16 *) & (*(u_u32 *) & ( *(u_u64*)&c64).u.lo32.v).u.lo16.v).u.hi8 = 1; return c64; }