From e67542ae17510e3657c2a946fde3dee4d775ac88 Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Mon, 4 May 2015 17:08:15 +0200
Subject: [PATCH] build: disable -Og when building with clang

clang does not yet support -Og, fall back to -O0.

See: https://llvm.org/bugs/show_bug.cgi?id=20765
Fixes: https://github.com/iojs/io.js/issues/1608
PR-URL: https://github.com/iojs/io.js/pull/1609
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
---
 common.gypi | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/common.gypi b/common.gypi
index 36a416115e2b58..385c3cd30ac9b7 100644
--- a/common.gypi
+++ b/common.gypi
@@ -54,8 +54,13 @@
           'v8_enable_handle_zapping%': 1,
         },
         'defines': [ 'DEBUG', '_DEBUG' ],
-        'cflags': [ '-g', '-Og' ],
+        'cflags': [ '-g' ],
         'conditions': [
+          ['clang==1', {
+            'cflags': [ '-O0' ],  # https://llvm.org/bugs/show_bug.cgi?id=20765
+          }, {
+            'cflags': [ '-Og' ],  # Debug-friendly optimizations only.
+          }],
           ['target_arch=="x64"', {
             'msvs_configuration_platform': 'x64',
           }],