Meson

nixd/Controller: support "goto definition" for select expressions #3070

Job	Run time
nix-build-develop-clang (none, release, true)	2m 56s
nix-build-develop-gcc (none, release, true)	3m 3s
nix-build-develop-clang (none, release, false)	3m 3s
nix-build-develop-gcc (none, release, false)	3m 2s
nix-build-develop-clang (none, debug, true)	2m 46s
nix-build-develop-gcc (none, debug, true)	2m 46s
nix-build-develop-clang (none, debug, false)	2m 52s
nix-build-develop-gcc (none, debug, false)	3m 0s
nix-build-develop-gcc (address, release, true)	4m 40s
nix-build-develop-gcc (address, release, false)	4m 35s
nix-build-develop-gcc (address, debug, true)	3m 56s
nix-build-develop-gcc (address, debug, false)	3m 55s
nix-build-develop-gcc (undefined, release, true)	4m 8s
nix-build-develop-gcc (undefined, release, false)	4m 6s
nix-build-develop-gcc (undefined, debug, true)	3m 25s
nix-build-develop-gcc (undefined, debug, false)	3m 30s
	55m 43s

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