New parser: event-based policy #346

Job	Run time
clang++-10/canary/c++17/Debug	1m 1s
clang++-10/canary/c++17/Release	1m 2s
clang++-10/canary/c++20/Debug	1m 17s
tabtokens/clang++-10/canary/c++17/Debug	1m 7s
clang++-10/canary/c++20/Release	1m 24s
tabtokens/clang++-10/canary/c++17/Release	1m 17s
clang++-6.0/canary/c++11/Debug	54s
tabtokens/clang++-10/canary/c++20/Debug	1m 7s
clang++-6.0/canary/c++11/Release	1m 14s
tabtokens/clang++-10/canary/c++20/Release	1m 3s
tabtokens/clang++-6.0/canary/c++11/Debug	56s
tabtokens/clang++-6.0/canary/c++11/Release	55s
clang++-10/extended/c++11/Debug	1m 3s
clang++-10/extended/c++11/Release	1m 20s
clang++-10/san/c++11/Debug	1m 6s
clang++-10/san/c++11/Debug	1m 18s
clang++-10/san/c++11/Debug	1m 7s
clang++-10/san/c++11/Debug	1m 10s
clang++-10/san/c++11/Release	1m 7s
clang++-10/san/c++11/Release	1m 4s
clang++-10/san/c++11/Release	1m 6s
clang++-10/san/c++11/Release	1m 6s
clang++-10/san/c++17/Debug	1m 4s
clang++-10/san/c++17/Debug	1m 12s
clang++-10/san/c++17/Debug	1m 18s
clang++-10/san/c++17/Debug	1m 12s
clang++-10/san/c++17/Release	1m 10s
clang++-10/san/c++17/Release	1m 11s
clang++-10/san/c++17/Release	1m 24s
clang++-10/san/c++17/Release	1m 18s
clang++-10/san/c++20/Debug	1m 22s
clang++-10/san/c++20/Debug	1m 18s
clang++-10/san/c++20/Debug	1m 7s
clang++-10/san/c++20/Debug	1m 9s
clang++-10/san/c++20/Release	1m 10s
clang++-10/san/c++20/Release	1m 23s
clang++-10/san/c++20/Release	1m 12s
clang++-10/san/c++20/Release	1m 39s
	44m 53s

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