mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2026-02-21 16:54:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

Sema: use correct error bit length when emitting error_set_has_value safety checks

Browse Source 
Resolves: #17843
This commit is contained in:
mlugg 2023-11-03 16:56:11 +00:00 committed by Matthew Lugg
parent b197c4d79b
commit a95be8f0e0
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/Sema.zig
View File

@ -21775,11 +21775,9 @@ fn zirErrorCast(sema: *Sema, block: *Block, extended: Zir.Inst.Extended.InstData
if (dest_tag == .ErrorUnion) {
const err_code = try sema.analyzeErrUnionCode(block, operand_src, operand);
const err_int = try block.addBitCast(err_int_ty, err_code);
const zero_u16 = Air.internedToRef(try mod.intern(.{
.int = .{ .ty = .u16_type, .storage = .{ .u64 = 0 } },
}));
const zero_err = try mod.intRef(try mod.errorIntType(), 0);
const is_zero = try block.addBinOp(.cmp_eq, err_int, zero_u16);
const is_zero = try block.addBinOp(.cmp_eq, err_int, zero_err);
if (disjoint) {
// Error must be zero.
try sema.addSafetyCheck(block, src, is_zero, .invalid_error_code);