diff options
| author | mlugg <mlugg@mlugg.co.uk> | 2023-08-21 02:27:11 +0100 |
|---|---|---|
| committer | Veikka Tuominen <git@vexu.eu> | 2023-08-21 11:47:31 +0300 |
| commit | 283afb50b56fb8a2c288d2452bdf6e595a1bbb06 (patch) | |
| tree | 074cfa8a07a8763d455289a20fc0b08e1b0395be /test | |
| parent | 411462e1cdac518ccb67a8dd7aa5ef93332f8d19 (diff) | |
| download | zig-283afb50b56fb8a2c288d2452bdf6e595a1bbb06.tar.gz zig-283afb50b56fb8a2c288d2452bdf6e595a1bbb06.zip | |
AstGen: disallow '-0' integer literal
The intent here is ambiguous: this resolves to the comptime_int '0', but
it's likely the user meant to use a floating-point literal.
Resolves: #16890
Diffstat (limited to 'test')
| -rw-r--r-- | test/behavior/bitcast.zig | 2 | ||||
| -rw-r--r-- | test/cases/compile_errors/negative_zero_literal.zig | 11 |
2 files changed, 11 insertions, 2 deletions
diff --git a/test/behavior/bitcast.zig b/test/behavior/bitcast.zig index e47d9f2f0b..4fb937fa2c 100644 --- a/test/behavior/bitcast.zig +++ b/test/behavior/bitcast.zig @@ -63,8 +63,6 @@ fn testBitCast(comptime N: usize) !void { try expect(conv_uN(N, 0) == 0); try expect(conv_iN(N, 0) == 0); - try expect(conv_iN(N, -0) == 0); - if (N > 24) { try expect(conv_uN(N, 0xf23456) == 0xf23456); } diff --git a/test/cases/compile_errors/negative_zero_literal.zig b/test/cases/compile_errors/negative_zero_literal.zig new file mode 100644 index 0000000000..4ae9931e8d --- /dev/null +++ b/test/cases/compile_errors/negative_zero_literal.zig @@ -0,0 +1,11 @@ +export fn foo() void { + _ = -0; +} + +// error +// backend=stage2 +// target=native +// +// :2:10: error: integer literal '-0' is ambiguous +// :2:10: note: use '0' for an integer zero +// :2:10: note: use '-0.0' for a floating-point signed zero |