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| author | Andrew Kelley <superjoe30@gmail.com> | 2017-08-29 16:52:31 -0400 |
|---|---|---|
| committer | Andrew Kelley <superjoe30@gmail.com> | 2017-08-29 16:52:31 -0400 |
| commit | 816689a3b1c98ec008438e7f868e1a123889b2a7 (patch) | |
| tree | 84dcf5e1cb51689543fea4c39b4c9f24dde681e9 /test/compile_errors.zig | |
| parent | be94299666e57486be6bdb8fee2b79dbf3623c5d (diff) | |
| download | zig-816689a3b1c98ec008438e7f868e1a123889b2a7.tar.gz zig-816689a3b1c98ec008438e7f868e1a123889b2a7.zip | |
ptrCast gives compile error for increasing alignment
See #37
Diffstat (limited to 'test/compile_errors.zig')
| -rw-r--r-- | test/compile_errors.zig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/compile_errors.zig b/test/compile_errors.zig index 03110f98e7..96898d1744 100644 --- a/test/compile_errors.zig +++ b/test/compile_errors.zig @@ -2011,4 +2011,15 @@ pub fn addCases(cases: &tests.CompileErrorContext) { \\} , ".tmp_source.zig:9:17: error: expected type '[]u32', found '[]align 1 u32'"); + + cases.add("increase pointer alignment in @ptrCast", + \\export fn entry() -> u32 { + \\ var bytes: [4]u8 align 4 = []u8{0x01, 0x02, 0x03, 0x04}; + \\ const ptr = @ptrCast(&u32, &bytes[0]); + \\ return *ptr; + \\} + , + ".tmp_source.zig:3:17: error: cast increases pointer alignment", + ".tmp_source.zig:3:38: note: '&u8' has alignment 1", + ".tmp_source.zig:3:27: note: '&u32' has alignment 4"); } |