From 260fb31fd5d4d90d6694570c8a1964d7e1c5f81b Mon Sep 17 00:00:00 2001
From: Hirokazu Hata <h.hata.ai.t@gmail.com>
Date: Tue, 15 Jan 2019 00:09:21 +0900
Subject: [PATCH] Add missing unpretty option help message

---
 src/librustc/session/config.rs | 9 +++++++--
 src/librustc_driver/pretty.rs  | 3 ++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs
index 42adc6a87fdba..03dbd7b54e1e3 100644
--- a/src/librustc/session/config.rs
+++ b/src/librustc/session/config.rs
@@ -1342,10 +1342,15 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
     unpretty: Option<String> = (None, parse_unpretty, [UNTRACKED],
         "Present the input source, unstable (and less-pretty) variants;
         valid types are any of the types for `--pretty`, as well as:
+        `expanded`, `expanded,identified`,
+        `expanded,hygiene` (with internal representations),
         `flowgraph=<nodeid>` (graphviz formatted flowgraph for node),
+        `flowgraph,unlabelled=<nodeid>` (unlabelled graphviz formatted flowgraph for node),
         `everybody_loops` (all function bodies replaced with `loop {}`),
-        `hir` (the HIR), `hir,identified`, or
-        `hir,typed` (HIR with types for each node)."),
+        `hir` (the HIR), `hir,identified`,
+        `hir,typed` (HIR with types for each node),
+        `hir-tree` (dump the raw HIR),
+        `mir` (the MIR), or `mir-cfg` (graphviz formatted MIR)"),
     run_dsymutil: Option<bool> = (None, parse_opt_bool, [TRACKED],
         "run `dsymutil` and delete intermediate object files"),
     ui_testing: bool = (false, parse_bool, [UNTRACKED],
diff --git a/src/librustc_driver/pretty.rs b/src/librustc_driver/pretty.rs
index a9ec99358c1b2..dfd7a14a86435 100644
--- a/src/librustc_driver/pretty.rs
+++ b/src/librustc_driver/pretty.rs
@@ -123,7 +123,8 @@ pub fn parse_pretty(sess: &Session,
                 sess.fatal(&format!("argument to `unpretty` must be one of `normal`, \
                                      `expanded`, `flowgraph[,unlabelled]=<nodeid>`, \
                                      `identified`, `expanded,identified`, `everybody_loops`, \
-                                     `hir`, `hir,identified`, `hir,typed`, or `mir`; got {}",
+                                     `hir`, `hir,identified`, `hir,typed`, `hir-tree`, \
+                                     `mir` or `mir-cfg`; got {}",
                                     name));
             } else {
                 sess.fatal(&format!("argument to `pretty` must be one of `normal`, `expanded`, \