mark undefined symbol as dead in bullet

tests/runner.py

@@ -7320,6 +7320,8 @@ def process(filename):
       if self.emcc_args is None: return self.skip('requires emcc')
       if Building.LLVM_OPTS and self.emcc_args is None: Settings.SAFE_HEAP = 0 # Optimizations make it so we do not have debug info on the line we need to ignore
 
+      Settings.DEAD_FUNCTIONS = ['__ZSt9terminatev']
+
       # Note: this is also a good test of per-file and per-line changes (since we have multiple files, and correct specific lines)
       if Settings.SAFE_HEAP:
         # Ignore bitfield warnings