------- Additional Comments From bangerth at dealii dot org 2004-10-25 14:24 -------
Here is a short testcase:
----------------------
struct X {
bool init;
void foo() { if (!init) init = true; }
void bar() { foo(); }
};
typedef unsigned long long int uint64_t;
uint64_t mask1, mask2;
uint64_t calc() {
return mask1 & mask2;
}
int main()
{
mask1 = 0x00000000FFFFFFFFull;
mask2 = 0x000000000000FFFFull;
uint64_t value = calc();
X().bar();
if(value != calc())
abort ();
}
------------------------------
g/x> /home/bangerth/bin/gcc-3.4.3-pre/bin/c++ y.cc && ./a.out
g/x> /home/bangerth/bin/gcc-3.4.3-pre/bin/c++ -O3 y.cc && ./a.out
Aborted
g/x> /home/bangerth/bin/gcc-3.3.4-pre/bin/c++ -O3 y.cc && ./a.out
g/x> /home/bangerth/bin/gcc-4.0-pre/bin/c++ -O3 y.cc && ./a.out
Thus, the problem is confined to the 3.4 branch (which does not mean,
of course, that the bug isn't latent on mainline as well).
W.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-10-25 14:24:46
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18084
