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// PERMUTE_ARGS:
import core.stdc.stdio;
import core.stdc.math : isnan;
void test12826()
{
string s, t;
t = t ~ "1234567";
s = s ~ "1234567";
s ~= s;
assert(s == "12345671234567", s);
assert(t == "1234567", t);
}
int main()
{
int[] a;
for (int i = 0; i < 1000; i++)
{
a.length = a.length + 100;
}
foreach (v; a)
{
assert(v == 0);
}
float[] b;
for (int i = 0; i < 2000; i++)
{
b.length = b.length + 100;
}
foreach (v; b)
{
assert(isnan(v));
}
delete a;
delete b;
a = null;
for (int i = 0; i < 100000; i++)
{
a ~= i;
}
foreach (k, v; a)
{
assert(v == k);
}
b = null;
for (int i = 0; i < 200000; i++)
{
b ~= i;
}
foreach (k, v; b)
{
assert(v == k);
}
delete a;
delete b;
test12826();
printf("Success\n");
return 0;
}
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