keytablelist bugfix (#2835) #1578

Job	Run time
clang-compile-with-bazel	15m 38s
clang-compile-with-bazel-all-options	16m 57s
clang-compile-with-boringssl	16m 40s
clang-compile-with-cmake	2m 48s
clang-compile-with-cmake-all-options	5m 9s
clang-compile-with-make	2m 59s
clang-compile-with-make-all-options	4m 39s
clang-unittest	15m 59s
gcc-compile-with-bazel	16m 45s
gcc-compile-with-bazel-all-options	18m 15s
gcc-compile-with-boringssl	17m 54s
gcc-compile-with-cmake	3m 10s
gcc-compile-with-cmake-all-options	5m 31s
gcc-compile-with-make	2m 54s
gcc-compile-with-make-all-options	5m 1s
	2h 30m 19s

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