> Fwiw, also tried the patch that Kuroda-san had posted yesterday.
I run the same test case too:
clang version 7.0.0:
HEAD 2548.119 ms
with patch 2320.974 ms
clang version 8.0.0:
HEAD 2431.766 ms
with patch 2419.439 ms
clang version 9.0.0:
HEAD 2477.493 ms
with patch 2365.509 ms
gcc version 7.4.0:
HEAD 2451.261 ms
with patch 2343.393 ms
gcc version 8.3.0:
HEAD 2540.626 ms
with patch 2299.653 ms