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Add a fixme

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This commit is contained in:
Eric Holk 2022-10-12 14:26:22 -07:00
parent 0c47fdfedb
commit 8b2c3ebb86
1 changed files with 3 additions and 0 deletions
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3
compiler/rustc_codegen_ssa/src/mir/rvalue.rs
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@ -287,6 +287,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
}; };
let vtable = get_vtable(bx.cx(), source.ty(self.mir, bx.tcx()), trait_ref); let vtable = get_vtable(bx.cx(), source.ty(self.mir, bx.tcx()), trait_ref);
let vtable = bx.pointercast(vtable, bx.cx().type_ptr_to(bx.cx().type_isize())); let vtable = bx.pointercast(vtable, bx.cx().type_ptr_to(bx.cx().type_isize()));
// FIXME(dyn-star): this is probably not the best way to check if this is
// a pointer, and really we should ensure that the value is a suitable
// pointer earlier in the compilation process.
let data = match operand.layout.pointee_info_at(bx.cx(), Size::ZERO) { let data = match operand.layout.pointee_info_at(bx.cx(), Size::ZERO) {
Some(_) => bx.ptrtoint(data, bx.cx().type_isize()), Some(_) => bx.ptrtoint(data, bx.cx().type_isize()),
None => data, None => data,