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Merge pull request #22997 from Rexicon226/align-0-reify

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sema: compile error on reifying align(0) fields and pointers
This commit is contained in:
Matthew Lugg
2025-08-03 09:58:23 +01:00
committed by GitHub
parent 616e69c807 e82d67233b
commit c80aa9f719
15 changed files with 147 additions and 129 deletions
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17
src/codegen/aarch64/Assemble.zig
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@@ -33,13 +33,16 @@ pub fn nextInstruction(as: *Assemble) !?Instruction {
var symbols: Symbols: {
const symbols = @typeInfo(@TypeOf(instruction.symbols)).@"struct".fields;
var symbol_fields: [symbols.len]std.builtin.Type.StructField = undefined;
for (&symbol_fields, symbols) |*symbol_field, symbol| symbol_field.* = .{
.name = symbol.name,
.type = zonCast(SymbolSpec, @field(instruction.symbols, symbol.name), .{}).Storage(),
.default_value_ptr = null,
.is_comptime = false,
.alignment = 0,
};
for (&symbol_fields, symbols) |*symbol_field, symbol| {
const Storage = zonCast(SymbolSpec, @field(instruction.symbols, symbol.name), .{}).Storage();
symbol_field.* = .{
.name = symbol.name,
.type = Storage,
.default_value_ptr = null,
.is_comptime = false,
.alignment = @alignOf(Storage),
};
}
break :Symbols @Type(.{ .@"struct" = .{
.layout = .auto,
.fields = &symbol_fields,