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https://codeberg.org/ziglang/zig.git
synced 2025-12-06 13:54:21 +00:00
2e3fac3626
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.
50 lines
1.2 KiB
Zig
50 lines
1.2 KiB
Zig
export fn a(x: [*]u8) void {
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_ = x * 1;
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}
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export fn b(x: *u8) void {
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_ = x * x;
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}
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export fn c() void {
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const x: []u8 = undefined;
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const y: []u8 = undefined;
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_ = x - y;
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}
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export fn d() void {
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var x: [*]u8 = undefined;
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var y: [*]u16 = undefined;
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_ = &x;
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_ = &y;
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_ = x - y;
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}
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comptime {
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const x: *u8 = @ptrFromInt(1);
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const y: *u16 = @ptrFromInt(2);
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_ = x - y;
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}
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comptime {
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const x: [*]u0 = @ptrFromInt(1);
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_ = x + 1;
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}
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comptime {
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const x: *u0 = @ptrFromInt(1);
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const y: *u0 = @ptrFromInt(2);
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_ = x - y;
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}
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// error
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//
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// :2:11: error: invalid pointer-integer arithmetic operator
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// :2:11: note: pointer-integer arithmetic only supports addition and subtraction
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// :6:11: error: invalid pointer-pointer arithmetic operator
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// :6:11: note: pointer-pointer arithmetic only supports subtraction
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// :12:11: error: invalid operands to binary expression: 'pointer' and 'pointer'
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// :20:11: error: incompatible pointer arithmetic operands '[*]u8' and '[*]u16'
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// :26:11: error: incompatible pointer arithmetic operands '*u8' and '*u16'
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// :31:11: error: pointer arithmetic requires element type 'u0' to have runtime bits
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// :37:11: error: pointer arithmetic requires element type 'u0' to have runtime bits
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