Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/opt/pr48549.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
// PR rtl-optimization/48549 // { dg-do compile } // { dg-options "-fcompare-debug -O2" } // { dg-xfail-if "" { powerpc-ibm-aix* } } __extension__ typedef __PTRDIFF_TYPE__ pdiff_t; void foo (void *from, void *to) { pdiff_t offset = reinterpret_cast <pdiff_t>(to) - reinterpret_cast <pdiff_t>(from); if (offset != static_cast <int>(offset)) *(int *) 0xC0DE = 0; reinterpret_cast <int *>(from)[1] = offset; } struct A { A () : a () {} A (void *x) : a (x) {} void *bar () { return a; } void *a; }; struct C; struct D; struct E : public A { C m1 (int); D m2 (); E () {} E (A x) : A (x) {} }; struct C : public E { C () {} C (void *x) : E (x) {} }; struct D : public E { D (void *x) : E (x) {} }; C E::m1 (int x) { return (reinterpret_cast <char *>(bar ()) + x); } D E::m2 () { return reinterpret_cast <char *>(bar ()); } struct B { E a; unsigned b : 16; unsigned c : 1; }; void baz (B *x) { for (unsigned i = 0; i < 64; i++) { D d = x[i].a.m2 (); C c = x[i].a.m1 (x[i].c); foo (d.bar (), c.bar ()); } }