From 4407a791c28b3599c9c3138358aa50a8de492965 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Sun, 28 Oct 2018 08:52:56 -0700
Subject: [PATCH] Discard internal LLD symbols during gc

These don't seem to be widely used and they're not needed by
wasm-bindgen itself, so let's remove the symbols by default and
optionally in the future we can add an option to retain them.
---
 crates/gc/src/lib.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/crates/gc/src/lib.rs b/crates/gc/src/lib.rs
index 2dde3002..8ba3b46f 100644
--- a/crates/gc/src/lib.rs
+++ b/crates/gc/src/lib.rs
@@ -53,6 +53,9 @@ fn run(config: &mut Config, module: &mut Module) {
     let analysis = {
         let mut cx = LiveContext::new(&module);
         cx.blacklist.insert("rust_eh_personality");
+        cx.blacklist.insert("__indirect_function_table");
+        cx.blacklist.insert("__heap_base");
+        cx.blacklist.insert("__data_end");
 
         if let Some(section) = module.export_section() {
             for (i, entry) in section.entries().iter().enumerate() {