Rollup of 4 pull requests

compiler/rustc_const_eval/src/interpret/operand.rs

@@ -520,8 +520,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
         Ok(OpTy { op, layout: place.layout })
     }
 
-    // Evaluate a place with the goal of reading from it.  This lets us sometimes
-    // avoid allocations.
+    /// Evaluate a place with the goal of reading from it.  This lets us sometimes
+    /// avoid allocations.
     pub fn eval_place_to_op(
         &self,
         place: mir::Place<'tcx>,

compiler/rustc_const_eval/src/interpret/place.rs

@@ -625,7 +625,7 @@ where
     }
 
     /// Computes a place. You should only use this if you intend to write into this
-    /// place; for reading, a more efficient alternative is `eval_place_for_read`.
+    /// place; for reading, a more efficient alternative is `eval_place_to_op`.
     #[instrument(skip(self), level = "debug")]
     pub fn eval_place(
         &mut self,

compiler/rustc_log/src/lib.rs

@@ -67,11 +67,24 @@ pub fn init_env_logger(env: &str) -> Result<(), Error> {
         Err(VarError::NotUnicode(_value)) => return Err(Error::NonUnicodeColorValue),
     };
 
+    let verbose_entry_exit = match env::var_os(String::from(env) + "_ENTRY_EXIT") {
+        None => false,
+        Some(v) => {
+            if &v == "0" {
+                false
+            } else {
+                true
+            }
+        }
+    };
+
     let layer = tracing_tree::HierarchicalLayer::default()
         .with_writer(io::stderr)
         .with_indent_lines(true)
         .with_ansi(color_logs)
         .with_targets(true)
+        .with_verbose_exit(verbose_entry_exit)
+        .with_verbose_entry(verbose_entry_exit)
         .with_indent_amount(2);
     #[cfg(parallel_compiler)]
     let layer = layer.with_thread_ids(true).with_thread_names(true);

src/librustdoc/clean/cfg.rs

@@ -517,6 +517,8 @@ impl<'a> fmt::Display for Display<'a> {
                         "msp430" => "MSP430",
                         "powerpc" => "PowerPC",
                         "powerpc64" => "PowerPC-64",
+                        "riscv32" => "RISC-V RV32",
+                        "riscv64" => "RISC-V RV64",
                         "s390x" => "s390x",
                         "sparc64" => "SPARC64",
                         "wasm32" | "wasm64" => "WebAssembly",