Auto merge of #2987 - rust-lang:rustup-2023-07-20, r=oli-obk

Automatic sync from rustc

rust-version

@@ -1 +1 @@
-ec362f0ae8a05618b75727cfdca853540cb2950e
+0646a5d1aa3745cb448db247f6fa432890a1812b

src/shims/foreign_items.rs

@@ -45,8 +45,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
         // List taken from `library/std/src/sys/common/alloc.rs`.
         // This list should be kept in sync with the one from libstd.
         let min_align = match this.tcx.sess.target.arch.as_ref() {
-            "x86" | "arm" | "mips" | "powerpc" | "powerpc64" | "asmjs" | "wasm32" => 8,
-            "x86_64" | "aarch64" | "mips64" | "s390x" | "sparc64" | "loongarch64" => 16,
+            "x86" | "arm" | "mips" | "mips32r6" | "powerpc" | "powerpc64" | "asmjs" | "wasm32" => 8,
+            "x86_64" | "aarch64" | "mips64" | "mips64r6" | "s390x" | "sparc64" | "loongarch64" =>
+                16,
             arch => bug!("unsupported target architecture for malloc: `{}`", arch),
         };
         // Windows always aligns, even small allocations.

tests/fail/layout_cycle.stderr

@@ -2,6 +2,7 @@ error[E0391]: cycle detected when computing layout of `S<S<()>>`
    |
    = note: ...which requires computing layout of `<S<()> as Tr>::I`...
    = note: ...which again requires computing layout of `S<S<()>>`, completing the cycle
+   = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
 
 error: post-monomorphization error: a cycle occurred during layout computation
   --> RUSTLIB/core/src/mem/mod.rs:LL:CC