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Sema: validate @alignOf type

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This commit is contained in:
Veikka Tuominen 2022-09-19 17:50:58 +03:00
parent 540130650f
commit 3e80aa9079
2 changed files with 12 additions and 0 deletions
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3
src/Sema.zig
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@ -16492,6 +16492,9 @@ fn zirAlignOf(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Air
const inst_data = sema.code.instructions.items(.data)[inst].un_node;
const operand_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = inst_data.src_node };
const ty = try sema.resolveType(block, operand_src, inst_data.operand);
if (ty.isNoReturn()) {
return sema.fail(block, operand_src, "no align available for type '{}'", .{ty.fmt(sema.mod)});
}
const target = sema.mod.getTarget();
const val = try ty.lazyAbiAlignment(target, sema.arena);
if (val.tag() == .lazy_align) {

9
test/cases/compile_errors/alignOf_bad_type.zig Normal file
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@ -0,0 +1,9 @@
export fn entry() usize {
return @alignOf(noreturn);
}
// error
// backend=stage2
// target=native
//
// :2:21: error: no align available for type 'noreturn'