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Mark scalar layout unions so that backends that do not support partially initialized scalars can special case them.

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This commit is contained in:
Oli Scherer 2022-03-03 12:02:12 +00:00
parent 2ed6786404
commit d32ce37a17
37 changed files with 356 additions and 288 deletions
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2
compiler/rustc_codegen_cranelift/src/discriminant.rs
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@ -105,7 +105,7 @@ pub(crate) fn codegen_get_discriminant<'tcx>(
// Decode the discriminant (specifically if it's niche-encoded).
match *tag_encoding {
TagEncoding::Direct => {
let signed = match tag_scalar.value {
let signed = match tag_scalar.primitive() {
Int(_, signed) => signed,
_ => false,
};