build: Downstream 1.3.286 and prepare for release 1.0.15 #323

Job	Run time
codegen	9s
linux (gcc, g++, Debug, ubuntu-20.04)	2m 26s
linux (gcc, g++, Debug, ubuntu-22.04)	2m 34s
linux (gcc, g++, Release, ubuntu-20.04)	5m 27s
linux-32 (Debug)	1m 45s
linux (gcc, g++, Release, ubuntu-22.04)	5m 26s
linux-32 (Release)	1m 56s
linux (clang, clang++, Debug, ubuntu-20.04)	1m 55s
linux (clang, clang++, Debug, ubuntu-22.04)	2m 18s
linux-32-no-asm	1m 57s
linux (clang, clang++, Release, ubuntu-20.04)	3m 26s
linux (clang, clang++, Release, ubuntu-22.04)	4m 12s
linux-no-asm	3m 7s
mingw	1m 32s
mingw-no-asm	1m 1s
mingw-no-asm-explicit	1m 11s
mingw-use-gas	58s
windows_clang (clang, Debug)	3m 19s
windows_vs (Win32, Debug)	4m 12s
windows_clang (clang, Release)	3m 25s
windows_clang (clang-cl, Debug)	3m 11s
windows_vs (Win32, Release)	3m 38s
windows_vs-no-asm (Win32)	4m 7s
windows_clang (clang-cl, Release)	2m 58s
windows_vs (x64, Debug)	4m 46s
windows_vs-no-asm (x64)	3m 55s
windows_vs (x64, Release)	4m 30s
	1h 19m 21s

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