Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/opt/alias3.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
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// { dg-options "-O2" } // Contributed by Nathan Sidwell 22 Dec 2003 <nathan@codesourcery.com> // Origin: rsandifo@redhat.com // PR c++/13387. Alias sets were incorrect struct C { C(short *p = 0, int i = 0) : ptr (p), index (i) {} short operator*() { return ptr[index]; } short *ptr; int index; }; C f1 (C) __attribute__ ((noinline)); C f1 (C x) { return x; } void f2 (short)__attribute__ ((noinline));; short s; void f2 (short s_) { s = s_; } C g (C x)__attribute__ ((noinline)); C g (C x) { x = f1 (x); f2 (*x); return x; } int main () { short p[2] = { 0x1234, 0x5678 }; C x (p, 1); g (x); return s != p[1]; }