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-rwxr-xr-xemscripten.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/emscripten.py b/emscripten.py
index 7f8b5505..c8122cb9 100755
--- a/emscripten.py
+++ b/emscripten.py
@@ -748,6 +748,7 @@ def emscript_fast(infile, settings, outfile, libraries=[], compiler_engine=None,
backend_args += ['-emscripten-reserved-function-pointers=%d' % settings['RESERVED_FUNCTION_POINTERS']]
if settings['ASSERTIONS'] > 0:
backend_args += ['-emscripten-assertions=%d' % settings['ASSERTIONS']]
+ backend_args += ['-O' + str(settings['OPT_LEVEL'])]
if DEBUG:
logging.debug('emscript: llvm backend: ' + ' '.join(backend_args))
t = time.time()
@@ -823,6 +824,8 @@ def emscript_fast(infile, settings, outfile, libraries=[], compiler_engine=None,
) + map(lambda x: x[1:], metadata['externs'])
if metadata['simd']:
settings['SIMD'] = 1
+ if not metadata['canValidate'] and settings['ASM_JS'] != 2:
+ logging.warning('disabling asm.js validation due to use of non-supported features')
settings['ASM_JS'] = 2
# Save settings to a file to work around v8 issue 1579