Support ConstantIndex in debuginfo.

2023-03-11 18:00:08 +00:00
parent 2ec0071913
commit 7de9aac4fb
3 changed files with 31 additions and 15 deletions
--- a/compiler/rustc_middle/src/mir/mod.rs
+++ b/compiler/rustc_middle/src/mir/mod.rs
@@ -1554,8 +1554,11 @@ impl<V, T> ProjectionElem<V, T> {
    /// Returns `true` if this is accepted inside `VarDebugInfoContents::Place`.
    pub fn can_use_in_debuginfo(&self) -> bool {
        match self {
-            Self::Deref | Self::Downcast(_, _) | Self::Field(_, _) => true,
-            Self::ConstantIndex { .. }
+            Self::ConstantIndex { from_end: false, .. }
+            | Self::Deref
+            | Self::Downcast(_, _)
+            | Self::Field(_, _) => true,
+            Self::ConstantIndex { from_end: true, .. }
            | Self::Index(_)
            | Self::OpaqueCast(_)
            | Self::Subslice { .. } => false,