zig/test/cases/bugs/656.zig

32 lines
707 B
Zig

const assert = @import("std").debug.assert;
const PrefixOp = union(enum) {
Return,
AddrOf: Value,
};
const Value = struct {
align_expr: ?u32,
};
test "nullable if after an if in a switch prong of a switch with 2 prongs in an else" {
foo(false, true);
}
fn foo(a: bool, b: bool) void {
var prefix_op = PrefixOp{
.AddrOf = Value{ .align_expr = 1234 },
};
if (a) {} else {
switch (prefix_op) {
PrefixOp.AddrOf => |addr_of_info| {
if (b) {}
if (addr_of_info.align_expr) |align_expr| {
assert(align_expr == 1234);
}
},
PrefixOp.Return => {},
}
}
}