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llvm: fix untagged struct names in debug info for llvm (again)

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At least lldb misbehaves with all these same-named unions, so just
generate a unique name.
This commit is contained in:
Jacob Young 2023-02-26 05:27:26 -05:00
parent f6c9346773
commit 9e51972701
1 changed files with 7 additions and 2 deletions
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9
src/codegen/llvm.zig
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@ -2214,11 +2214,16 @@ pub const Object = struct {
));
}
const union_name = if (layout.tag_size == 0) name.ptr else "AnonUnion";
var union_name_buf: ?[:0]const u8 = null;
defer if (union_name_buf) |buf| gpa.free(buf);
const union_name = if (layout.tag_size == 0) name else name: {
union_name_buf = try std.fmt.allocPrintZ(gpa, "{s}:Payload", .{name});
break :name union_name_buf.?;
};
const union_di_ty = dib.createUnionType(
compile_unit_scope,
union_name,
union_name.ptr,
null, // file
0, // line
ty.abiSize(target) * 8, // size in bits