enable extra flag #917

Job	Run time
Unit Tests	4s
Clean up previous branch jobs	11s
Package builder app	11s
compilers (clang-9)	51s
compilers (clang-10)	50s
cross_compile (linux-armv6)	10m 22s
compilers (clang-11)	45s
Sanity Test (ubuntu-22.04)	1m 46s
release_notes (aws-crt-python)	33s
cross_compile (linux-armv7)	10m 8s
compilers (gcc-7)	31s
Sanity Test (macos-11)	2m 32s
release_notes (aws-iot-device-sdk-python-v2)	3s
compilers (gcc-8)	1m 13s
cross_compile (linux-armv8)	9m 52s
Sanity Test (macos-12)	3m 14s
compilers (gcc-9)	25s
Sanity Test (windows-2022)	2m 43s
compilers (gcc-10)	30s
compilers (gcc-11)	1m 22s
aws-c-cal (manylinux1-x86)	2m 21s
downstream (aws-c-mqtt)	9m 34s
aws-c-cal (manylinux1-x64)	2m 9s
downstream (aws-c-http)	3m 35s
aws-c-cal (manylinux2014-x86)	2m 33s
downstream (aws-crt-python)	6m 21s
swift (swift-5-ubuntu-x64)	53s
aws-c-cal (manylinux2014-x64)	2m 43s
downstream (aws-crt-cpp)	5m 39s
swift (swift-5-centos-x64)	39s
aws-c-cal (manylinux2014-aarch64)	23m 9s
downstream (aws-crt-java)	6m 35s
swift (swift-5-al2-x64)	41s
aws-c-cal (musllinux-1-1-aarch64)	26m 52s
downstream (aws-crt-nodejs)	4m 22s
aws-c-cal (musllinux-1-1-x64)	2m 54s
std-compat (gcc-8, c++11)	7m 31s
std-compat (gcc-8, c++14)	5m 9s
std-compat (gcc-8, c++17)	7m 25s
std-compat (gcc-8, c++2a)	5m 11s
std-compat (clang-9, c++11)	8m 0s
std-compat (clang-9, c++14)	6m 6s
std-compat (clang-9, c++17)	6m 47s
std-compat (clang-9, c++2a)	8m 3s
All Sanity Tests passed	1s
	3h 23m 19s

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