Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/opt/vrp2.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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/* { dg-do run } */ /* { dg-options "-O2" } */ /* VRP was miscompiling the following as it thought &a->b was a dereference and therfore a was non-null. Reduced from Mozilla by Serge Belyshev <belyshev@depni.sinp.msu.ru>. */ extern "C" void abort (void); struct T { int i; } t; struct A : T { int j; } *p = __null; int main (void) { if (p == &t) return 0; if (p) abort (); return 0; }