Opt stb #480

Job	Run time
gcc-compile-with-bazel	16m 51s
gcc-compile-with-boringssl	17m 48s
gcc-compile-with-cmake	3m 20s
gcc-compile-with-cmake-all-options	5m 24s
gcc-compile-with-make	2m 56s
gcc-compile-with-make-all-options	5m 1s
clang-compile-with-bazel	16m 7s
clang-compile-with-bazel-all-options	16m 42s
clang-compile-with-boringssl	16m 57s
clang-compile-with-cmake	2m 50s
clang-compile-with-cmake-all-options	5m 1s
clang-compile-with-make	2m 50s
clang-compile-with-make-all-options	5m 38s
clang-unittest	5m 0s
gcc-compile-with-bazel-all-options	18m 39s
	2h 21m 4s

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