From d0c51412572b3b7adc4896224a745c01fe53f4ed Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Mon, 22 Apr 2024 16:56:37 +0000
Subject: [PATCH] Rustup to rustc 1.79.0-nightly (fb898629a 2024-04-21)

---
 rust-toolchain         |  2 +-
 src/base.rs            |  2 +-
 src/value_and_place.rs | 13 +++++++------
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/rust-toolchain b/rust-toolchain
index bf66aeae18b..1fc08a92fe8 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2024-04-20"
+channel = "nightly-2024-04-22"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
diff --git a/src/base.rs b/src/base.rs
index 4892d46a572..4c53a9db7bd 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -825,7 +825,7 @@ fn is_fat_ptr<'tcx>(fx: &FunctionCx<'_, '_, 'tcx>, ty: Ty<'tcx>) -> bool {
                     };
                     let data = codegen_operand(fx, data);
                     let meta = codegen_operand(fx, meta);
-                    let ptr_val = CValue::pointer_from_data_and_meta(data, meta, layout);
+                    let ptr_val = CValue::pointer_from_data_and_meta(fx, data, meta, layout);
                     lval.write_cvalue(fx, ptr_val);
                 }
                 Rvalue::Aggregate(ref kind, ref operands) => {
diff --git a/src/value_and_place.rs b/src/value_and_place.rs
index 38fedb6036c..eeae98ed04d 100644
--- a/src/value_and_place.rs
+++ b/src/value_and_place.rs
@@ -99,17 +99,18 @@ pub(crate) fn by_val_pair(
     ///
     /// Panics if the `layout` is not a raw pointer.
     pub(crate) fn pointer_from_data_and_meta(
+        fx: &mut FunctionCx<'_, '_, 'tcx>,
         data: CValue<'tcx>,
         meta: CValue<'tcx>,
         layout: TyAndLayout<'tcx>,
     ) -> CValue<'tcx> {
+        assert!(data.layout().ty.is_unsafe_ptr());
         assert!(layout.ty.is_unsafe_ptr());
-        let inner = match (data.0, meta.0) {
-            (CValueInner::ByVal(p), CValueInner::ByVal(m)) => CValueInner::ByValPair(p, m),
-            (p @ CValueInner::ByVal(_), CValueInner::ByRef(..)) if meta.1.is_zst() => p,
-            _ => bug!("RawPtr operands {data:?} {meta:?}"),
-        };
-        CValue(inner, layout)
+        if meta.layout().is_zst() {
+            data.cast_pointer_to(layout)
+        } else {
+            CValue::by_val_pair(data.load_scalar(fx), meta.load_scalar(fx), layout)
+        }
     }
 
     pub(crate) fn layout(&self) -> TyAndLayout<'tcx> {