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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.
29 lines
637 B
Zig
29 lines
637 B
Zig
const std = @import("std");
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pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace, _: ?usize) noreturn {
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_ = stack_trace;
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if (std.mem.eql(u8, message, "switch on corrupt value")) {
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std.process.exit(0);
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}
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std.process.exit(1);
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}
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const E = enum(u16) {
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one = 1,
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two = 2,
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_,
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};
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const U = union(E) {
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one: u16,
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two: u16,
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};
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pub fn main() !void {
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var a: U = undefined;
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@as(*align(@alignOf(U)) u32, @ptrCast(&a)).* = 0xFFFF_FFFF;
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switch (a) {
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.one => @panic("one"),
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else => @panic("else"),
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}
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}
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// run
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// backend=selfhosted,llvm
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// target=x86_64-linux
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