add a customized alignment allocator #2420

Job	Run time
clang-sanitizers (,thread)	2m 32s
downstream	42m 38s
linux-compiler-compat (clang-3)	1m 43s
clang-sanitizers (,address,undefined)	2m 19s
linux-compiler-compat (clang-6)	6m 4s
linux-compiler-compat (clang-8)	6m 27s
linux-compiler-compat (clang-9)	6m 21s
linux-compiler-compat (clang-10)	1m 54s
linux-no-cpu-extensions	1m 34s
linux-compat (manylinux1-x64)	1m 3s
linux-compiler-compat (clang-11)	1m 49s
linux-shared-libs	1m 46s
linux-compat (manylinux1-x86)	1m 10s
linux-compiler-compat (gcc-4.8)	1m 13s
linux-compat (manylinux2014-x64)	1m 16s
linux-compiler-compat (gcc-5)	1m 38s
windows	2m 19s
linux-compat (manylinux2014-x86)	1m 23s
linux-compiler-compat (gcc-6)	1m 36s
linux-compat (raspbian-bullseye)	6m 37s
windows-shared-libs	2m 19s
linux-compat (fedora-34-x64)	1m 9s
linux-compiler-compat (gcc-7)	1m 45s
linux-compat (opensuse-leap)	1m 26s
windows-vc14 (x86)	2m 3s
linux-compiler-compat (gcc-8)	1m 42s
windows-vc14 (x64)	2m 1s
linux-compat (rhel8-x64)	1m 9s
linux-compiler-compat (gcc-11)	1m 48s
windows-vc15 (x86)	2m 7s
linux-compat (al2-x64)	1m 19s
windows-vc15 (x64)	2m 7s
windows-vc16 (x86)	1m 57s
windows-vc16 (x64)	2m 6s
Cross Compile linux-armv6	1m 54s
freebsd	8m 57s
Cross Compile linux-armv7	1m 54s
linux-debug	1m 25s
Cross Compile linux-arm64	1m 44s
macos	1m 18s
macos-no-cpu-extensions	1m 31s
Cross Compile android-armv7	2m 6s
macos-x64	2m 49s
openbsd	11m 57s
windows-app-verifier	20m 15s
windows-no-cpu-extensions	1m 57s
macos-debug	1m 19s
windows-debug	2m 17s
	2h 59m 43s

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