Hi, On 28.09.2016 17:57, Wayne Stambaugh wrote:
> I didn't test what the compiler generated but I suspected that was the
> case from warning message. If that's the case then I will apply the
> patch but it does mask the underlying issue which could fail spectacularly.
That is what happens:
#include <exception>
void foo(int &i)
{
if(&i == 0)
std::terminate();
}
$ g++ -O2 -c tt.cpp
0000000000000000 <foo(int&)>:
0: f3 c3 repz retq
So the test is indeed optimized out.
Simon
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