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Age	Commit message (Collapse)	Author
2025-09-16	test: rename backend=stage2 to backend=selfhosted, and add backend=auto	Alex Rønne Petersen
	backend=auto (now the default if backend is omitted) means to let the compiler pick whatever backend it wants as the default. This is important for platforms where we don't yet have a self-hosted backend, such as loongarch64. Also purge a bunch of redundant target=native.
2025-08-12	address most comments	Justus Klausecker

2025-08-12	Sema: Improve comptime arithmetic undef handling	Justus Klausecker
	This commit expands on the foundations laid by https://github.com/ziglang/zig/pull/23177 and moves even more `Sema`-only functionality from `Value` to `Sema.arith`. Specifically all shift and bitwise operations, `@truncate`, `@bitReverse` and `@byteSwap` have been moved and adapted to the new rules around `undefined`. Especially the comptime shift operations have been basically rewritten, fixing many open issues in the process. New rules applied to operators: * `<<`, `@shlExact`, `@shlWithOverflow`, `>>`, `@shrExact`: compile error if any operand is undef * `<<\|`, `~`, `^`, `@truncate`, `@bitReverse`, `@byteSwap`: return undef if any operand is undef * `&`, `\|`: Return undef if both operands are undef, turn undef into actual `0xAA` bytes otherwise Additionally this commit canonicalizes the representation of aggregates with all-undefined members in the `InternPool` by disallowing them and enforcing the usage of a single typed `undef` value instead. This reduces the amount of edge cases and fixes a bunch of bugs related to partially undefined vecs. List of operations directly affected by this patch: * `<<`, `<<\|`, `@shlExact`, `@shlWithOverflow` * `>>`, `@shrExact` * `&`, `\|`, `~`, `^` and their atomic rmw + reduce pendants * `@truncate`, `@bitReverse`, `@byteSwap`
2025-02-15	x86_64: implement error set and enum safety	Jacob Young
	This is all of the expected 0.14.0 progress on #21530, which can now be postponed once this commit is merged. This required rewriting the (un)wrap operations since the original implementations were extremely buggy. Also adds an easy way to retrigger Sema OPV bugs so that I don't have to keep updating #22419 all the time.
2022-08-10	stage2: add compile error for shlExact overflow	LeRoyce Pearson
	- moves a stage1 test case and makes it target `llvm` backend instead of `stage1` backend