Compiler version and platform:
Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64, Version 17.0.0.098 Build 20160721
$ icc -O2 small.c
$ ./a.out
$
$ icc -O3 small.c
": internal error: ** The compiler has encountered an unexpected problem.
** Segmentation violation signal raised. **
Access violation or stack overflow. Please contact Intel Support for assistance.
compilation aborted for small.c (code 4)
$
$ cat small.c
#include <assert.h>
int a, b, c, d, e;
void fn1 ()
{
for (; a;)
{
b = 0;
b = ~(~b | e);
for (c = 0; c < 2; c++)
{
assert (d);
if (b)
break;
}
}
}
int main ()
{
fn1 ();
return 0;
}
$
