From f2b219c0776c81b080585ece6d3fde9b8a78ede9 Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Fri, 13 May 2016 16:32:51 +0200
Subject: [PATCH] build: turn on -fno-delete-null-pointer-checks

Work around spec violations in V8 where it checks that `this == NULL`.
GCC 6 started exploiting this particular kind of UB, resulting in
runtime crashes.

Fixes: https://github.com/nodejs/node/issues/6724
---
 common.gypi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/common.gypi b/common.gypi
index 887df4b2285e2e..705245e69369df 100644
--- a/common.gypi
+++ b/common.gypi
@@ -179,7 +179,11 @@
       }],
       [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
         'cflags': [ '-Wall', '-Wextra', '-Wno-unused-parameter', '-pthread', ],
-        'cflags_cc': [ '-fno-rtti', '-fno-exceptions' ],
+        'cflags_cc': [
+          '-fno-delete-null-pointer-checks',
+          '-fno-exceptions',
+          '-fno-rtti',
+        ],
         'ldflags': [ '-pthread', '-rdynamic' ],
         'target_conditions': [
           ['_type=="static_library"', {