build: disable lto due to failures on macos

Author: aminya

binding.gyp

@@ -171,7 +171,7 @@
               ],
               'cflags_cc+': [
                 '-std=c++17',
-                '-flto',
+                # '-flto',
                 '-Wno-missing-field-initializers',
               ],
             }],
@@ -182,7 +182,7 @@
                 'CLANG_CXX_LIBRARY': 'libc++',
                 'CLANG_CXX_LANGUAGE_STANDARD': 'c++17',
                 'MACOSX_DEPLOYMENT_TARGET': '10.9',
-                'LLVM_LTO': 'YES',
+                # 'LLVM_LTO': 'YES',
                 'GCC_OPTIMIZATION_LEVEL': '3',
                 'DEPLOYMENT_POSTPROCESSING': 'YES',
                 'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES',