migrate: Zig 0.15.2 → 0.16.0 (v1.10.0)#45

Merged

chaploud merged 32 commits into

mainfrom

develop/zig-0.16.0

Apr 24, 2026

Commits on Apr 24, 2026

docs: seed .dev/zig-0.16-migration.md work log
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chore: bump Zig toolchain pin 0.15.2 → 0.16.0
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build: move linkLibC from Compile step to Module option (0.16)
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migrate: std.heap.GeneralPurposeAllocator → std.heap.DebugAllocator
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migrate: std.fs.File → std.Io.File + main(init: std.process.Init)
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migrate: thread init.io into stdout/stderr writer() calls in cli main
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migrate: cli.zig readFile — std.fs.cwd → std.Io.Dir.cwd with cli_io global
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docs: add D135 — Io threading strategy for Zig 0.16.0
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migrate: leb128.zig — inline LEB128 decode (std.leb removed in 0.16)
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migrate: guard.zig — local Ucontext struct + typed signal handler
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migrate: add io field to Vm + Config.io on WasmModule (D135 infra)
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migrate: memory.zig — std.Io.Mutex/Condition via Vm.io
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migrate: gc.zig — ArrayListUnmanaged init via .empty (0.16)
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migrate: platform.zig — std.posix.PROT packed struct, std.c.mprotect shim (0.16)
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migrate: wasi.zig + friends — std.c.* replacements for removed posix APIs (0.16)
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migrate: test helpers + fuzz Smith API + tmpDir io threading (0.16)
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fix(leb128): restore 0.15 stdlib overflow semantics for 0.16 inline port
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migrate: e2e_runner — std.process.Init signature, std.c.* file reads (0.16)
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build(ffi): fall back to $CC when gcc is not on PATH
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chore(flake): add git to dev shell for bench/record.sh
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Revert "chore(flake): add git to dev shell for bench/record.sh"
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Revert "build(ffi): fall back to $CC when gcc is not on PATH"
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fix(build): explicit link_libc + cross-platform fstat via lseek/statx (Ubuntu 0.16)
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docs: finalize v1.10.0 Zig 0.16.0 migration (memo, migration log, D135, CHANGELOG)
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fix(windows): 0.16 API shim for VirtualAlloc/DuplicateHandle, statx-like paths
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fix(windows): replace std.c.open test helpers with std.Io.Dir.cwd().openFile
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fix(windows): comptime-branch 1ms sleep helper for cancellation tests
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ci(size): raise stripped size guard 1.50 → 1.80 MB for 0.16 link_libc
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ci(diag): enable compat --verbose on Windows (temp)
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fix(windows): route WASI fd I/O through Win32 APIs, not std.c._write
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ci(revert): drop Windows compat --verbose diagnostic
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ci(bench): allow regression check to soft-fail across 0.15/0.16 boundary
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