From a345623f2b05ffcc0c07f9fde5d3348cc7e5ec82 Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Sat, 14 Sep 2019 12:18:36 +0200
Subject: [PATCH] spidermonkey_1_8_5: fix build with gcc8

closes #68765
closes #68763
---
 pkgs/development/interpreters/spidermonkey/1.8.5.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/interpreters/spidermonkey/1.8.5.nix b/pkgs/development/interpreters/spidermonkey/1.8.5.nix
index 8f9477c4c4a..97d2b67372a 100644
--- a/pkgs/development/interpreters/spidermonkey/1.8.5.nix
+++ b/pkgs/development/interpreters/spidermonkey/1.8.5.nix
@@ -37,6 +37,12 @@ stdenv.mkDerivation {
 
   patchFlags = "-p3";
 
+  # fixes build on gcc8
+  postPatch = ''
+    substituteInPlace ./methodjit/MethodJIT.cpp \
+      --replace 'asm volatile' 'asm'
+  '';
+
   # On the Sheevaplug, ARM, its nanojit thing segfaults in japi-tests in
   # "make check". Disabling tracejit makes it work, but then it needs the
   # patch findvanilla.patch do disable a checker about allocator safety. In case