From bc0b172f3b3944eea0a326e032a961d0f5f5df11 Mon Sep 17 00:00:00 2001
From: Mark-Simulacrum <mark.simulacrum@gmail.com>
Date: Fri, 16 Dec 2016 10:48:46 -0700
Subject: [PATCH] Remove BlockAndBuilder.funclet

---
 src/librustc_trans/cleanup.rs |  2 +-
 src/librustc_trans/common.rs  | 23 -----------------------
 2 files changed, 1 insertion(+), 24 deletions(-)

diff --git a/src/librustc_trans/cleanup.rs b/src/librustc_trans/cleanup.rs
index 67b9dd182884..bd387ccae205 100644
--- a/src/librustc_trans/cleanup.rs
+++ b/src/librustc_trans/cleanup.rs
@@ -99,7 +99,7 @@ impl<'blk, 'tcx> FunctionContext<'blk, 'tcx> {
         custom_scope: Option<CleanupScope<'tcx>>
     ) {
         if let Some(scope) = custom_scope {
-            scope.cleanup.trans(bcx.funclet(), &bcx);
+            scope.cleanup.trans(None, &bcx);
         }
     }
 
diff --git a/src/librustc_trans/common.rs b/src/librustc_trans/common.rs
index e4c3d6497fd7..e2abb7779c98 100644
--- a/src/librustc_trans/common.rs
+++ b/src/librustc_trans/common.rs
@@ -42,7 +42,6 @@ use rustc::traits::{self, SelectionContext, Reveal};
 use rustc::ty::fold::TypeFoldable;
 use rustc::hir;
 
-use arena::TypedArena;
 use libc::{c_uint, c_char};
 use std::borrow::Cow;
 use std::iter;
@@ -304,9 +303,6 @@ pub struct FunctionContext<'a, 'tcx: 'a> {
     // error reporting and symbol generation.
     pub span: Option<Span>,
 
-    // The arena that landing pads are allocated from.
-    pub funclet_arena: TypedArena<Funclet>,
-
     // This function's enclosing crate context.
     pub ccx: &'a CrateContext<'a, 'tcx>,
 
@@ -364,7 +360,6 @@ impl<'a, 'tcx> FunctionContext<'a, 'tcx> {
             fn_ty: fn_ty,
             param_substs: param_substs,
             span: None,
-            funclet_arena: TypedArena::new(),
             ccx: ccx,
             debug_context: debug_context,
             owned_builder: OwnedBuilder::new_with_ccx(ccx),
@@ -564,10 +559,6 @@ pub struct BlockAndBuilder<'blk, 'tcx: 'blk> {
     // The block pointing to this one in the function's digraph.
     llbb: BasicBlockRef,
 
-    // If this block part of a landing pad, then this is `Some` indicating what
-    // kind of landing pad its in, otherwise this is none.
-    funclet: Option<&'blk Funclet>,
-
     // The function context for the function to which this block is
     // attached.
     fcx: &'blk FunctionContext<'blk, 'tcx>,
@@ -582,7 +573,6 @@ impl<'blk, 'tcx> BlockAndBuilder<'blk, 'tcx> {
         owned_builder.builder.position_at_end(llbb);
         BlockAndBuilder {
             llbb: llbb,
-            funclet: None,
             fcx: fcx,
             owned_builder: owned_builder,
         }
@@ -617,19 +607,6 @@ impl<'blk, 'tcx> BlockAndBuilder<'blk, 'tcx> {
     pub fn mir(&self) -> Ref<'tcx, Mir<'tcx>> {
         self.fcx.mir()
     }
-
-    pub fn set_funclet(&mut self, funclet: Option<Funclet>) {
-        self.funclet = funclet.map(|p| &*self.fcx().funclet_arena.alloc(p));
-    }
-
-    pub fn set_funclet_ref(&mut self, funclet: Option<&'blk Funclet>) {
-        // FIXME: use an IVar?
-        self.funclet = funclet;
-    }
-
-    pub fn funclet(&self) -> Option<&'blk Funclet> {
-        self.funclet
-    }
 }
 
 impl<'blk, 'tcx> Deref for BlockAndBuilder<'blk, 'tcx> {