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@ptrFromInt(0) on ?*allowzero T gives null #21775

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xdBronch opened this issue Oct 23, 2024 · 0 comments · May be fixed by #21846
Open

@ptrFromInt(0) on ?*allowzero T gives null #21775

xdBronch opened this issue Oct 23, 2024 · 0 comments · May be fixed by #21846
Labels
bug Observed behavior contradicts documented or intended behavior frontend Tokenization, parsing, AstGen, Sema, and Liveness.
Milestone
0.14.0

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@xdBronch
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Zig Version

0.14.0-dev.1951+857383689

Steps to Reproduce and Observed Behavior

comptime {
    @compileLog(@as(?*allowzero const u8, @ptrFromInt(0)));
}
Compile Log Output:
@as(?*allowzero const u8, null)

this feels very unexpected to me

Expected Behavior

pointer should be the same as @as(*allowzero const u8, @ptrFromInt(0))
@xdBronch xdBronch added the bug Observed behavior contradicts documented or intended behavior label Oct 23, 2024
@Vexu Vexu added the frontend Tokenization, parsing, AstGen, Sema, and Liveness. label Oct 23, 2024
@Vexu Vexu added this to the 0.14.0 milestone Oct 23, 2024
@Rexicon226 Rexicon226 linked a pull request Oct 29, 2024 that will close this issue
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bug Observed behavior contradicts documented or intended behavior frontend Tokenization, parsing, AstGen, Sema, and Liveness.
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Milestone
0.14.0
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Successfully merging a pull request may close this issue.

fix @ptrFromInt to create a 0x0 address for ?*allowzero T instead of null Rexicon226/zig
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@Vexu @xdBronch