const builtin = @import("builtin"); const std = @import("std"); const expect = std.testing.expect; test "anyopaque extern symbol" { if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; const a = @extern(*anyopaque, .{ .name = "a_mystery_symbol" }); const b: *i32 = @alignCast(@ptrCast(a)); try expect(b.* == 1234); } export var a_mystery_symbol: i32 = 1234;