Index: deps/llhttp/common.gypi
--- deps/llhttp/common.gypi.orig
+++ deps/llhttp/common.gypi
@@ -15,7 +15,7 @@
       },
       'Release': {
         'defines': [ 'NDEBUG' ],
-        'cflags': [ '-Wall', '-Wextra', '-O3' ],
+        'cflags': [ '-Wall', '-Wextra', '-O2' ],
         'msvs_settings': {
           'VCCLCompilerTool': {
             'RuntimeLibrary': 0, # static release