From a920e355ea837a950b484b5791051337cd371f5d Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <nnethercote@mozilla.com>
Date: Fri, 28 Oct 2016 14:47:55 +1100
Subject: [PATCH] Shrink Expr_::ExprInlineAsm.

On 64-bit this reduces the size of `Expr_` from 144 to 64 bytes, and
reduces the size of `Expr` from 176 to 96 bytes.
---
 src/librustc/hir/lowering.rs | 4 ++--
 src/librustc/hir/mod.rs      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/librustc/hir/lowering.rs b/src/librustc/hir/lowering.rs
index 562156e70bd..1fca9eb3398 100644
--- a/src/librustc/hir/lowering.rs
+++ b/src/librustc/hir/lowering.rs
@@ -1218,7 +1218,7 @@ fn make_struct(this: &mut LoweringContext,
                         alignstack,
                         dialect,
                         expn_id,
-                    }) => hir::ExprInlineAsm(hir::InlineAsm {
+                    }) => hir::ExprInlineAsm(P(hir::InlineAsm {
                     inputs: inputs.iter().map(|&(ref c, _)| c.clone()).collect(),
                     outputs: outputs.iter()
                                     .map(|out| {
@@ -1236,7 +1236,7 @@ fn make_struct(this: &mut LoweringContext,
                     alignstack: alignstack,
                     dialect: dialect,
                     expn_id: expn_id,
-                }, outputs.iter().map(|out| self.lower_expr(&out.expr)).collect(),
+                }), outputs.iter().map(|out| self.lower_expr(&out.expr)).collect(),
                    inputs.iter().map(|&(_, ref input)| self.lower_expr(input)).collect()),
                 ExprKind::Struct(ref path, ref fields, ref maybe_expr) => {
                     hir::ExprStruct(self.lower_path(path),
diff --git a/src/librustc/hir/mod.rs b/src/librustc/hir/mod.rs
index 1de4355ccdf..dc42b5a894b 100644
--- a/src/librustc/hir/mod.rs
+++ b/src/librustc/hir/mod.rs
@@ -940,7 +940,7 @@ pub enum Expr_ {
     ExprRet(Option<P<Expr>>),
 
     /// Inline assembly (from `asm!`), with its outputs and inputs.
-    ExprInlineAsm(InlineAsm, Vec<P<Expr>>, Vec<P<Expr>>),
+    ExprInlineAsm(P<InlineAsm>, HirVec<P<Expr>>, HirVec<P<Expr>>),
 
     /// A struct or struct-like variant literal expression.
     ///