[nix-shell:~/dev/zig/build-release]$ ./zig-out/bin/zig build-exe test2.zig -ofmt=c --watch --debug-log link
debug(link): allocateDeclIndexes Decl@7f07eda63c00 (comptime_0__anon_0)
debug(link): allocateDeclIndexes Decl@7f07eda63e00 (comptime_0__anon_1)
debug(link): allocateDeclIndexes Decl@7f07edaf0800 (_start)
debug(link): updateDecl Decl@7f07eda63c00 (comptime_0__anon_0), type=[4:0]u8
debug(link): updateDecl Decl@7f07eda63e00 (comptime_0__anon_1), type=[6:0]u8
debug(link): updateDecl Decl@7f07edaf0800 (_start), type=fn() callconv(.C)u32
debug(link): updateDeclExports Decl@7f07edaf0800 (_start)
(zig) update
debug(link): allocateDeclIndexes Decl@7f07edaf0800 (_start)
debug(link): allocateDeclIndexes Decl@7f07eda7dc00 (comptime_0__anon_2)
debug(link): allocateDeclIndexes Decl@7f07eda7de00 (comptime_0__anon_3)
debug(link): updateDecl Decl@7f07edaf0800 (_start), type=fn() callconv(.C)u32
debug(link): updateDecl Decl@7f07eda7dc00 (comptime_0__anon_2), type=[4:0]u8
debug(link): updateDecl Decl@7f07eda7de00 (comptime_0__anon_3), type=[6:0]u8
debug(link): freeDecl Decl@7f07eda63e00 (comptime_0__anon_1)
debug(link): freeDecl Decl@7f07eda63c00 (comptime_0__anon_0)
debug(link): freeDecl Decl@7f07edab3400 (Example)
debug(link): updateDeclExports Decl@7f07edaf0800 (_start)
(zig)