when not aliasing tables, keep them all at full size to avoid aliasing through the &M mask in a small table

1 files changed, 9 insertions, 4 deletions

diff --git a/tests/runner.py b/tests/runner.py
index b802a68f..1ff917d0 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -7729,15 +7729,20 @@ void*:16
 
       assert 'asm2g' in test_modes
       if self.run_name == 'asm2g':
-        original = open('src.cpp.o.js').read()
         results = {}
-        results[Settings.ALIASING_FUNCTION_POINTERS] = len(open('src.cpp.o.js').read())
+        original = open('src.cpp.o.js').read()
+        results[Settings.ALIASING_FUNCTION_POINTERS] = len(original)
         Settings.ALIASING_FUNCTION_POINTERS = 1 - Settings.ALIASING_FUNCTION_POINTERS
         self.do_run(path_from_root('tests', 'cubescript'), '*\nTemp is 33\n9\n5\nhello, everyone\n*', main_file='command.cpp')
-        results[Settings.ALIASING_FUNCTION_POINTERS] = len(open('src.cpp.o.js').read())
+        final = open('src.cpp.o.js').read()
+        results[Settings.ALIASING_FUNCTION_POINTERS] = len(final)
         open('original.js', 'w').write(original)
         print results
-        assert results[1] < results[0]
+        assert results[1] < 0.99*results[0]
+        assert ' & 3]()' in original, 'small function table exists'
+        assert ' & 3]()' not in final, 'small function table does not exist'
+        assert ' & 255]()' not in original, 'big function table does not exist'
+        assert ' & 255]()' in final, 'big function table exists'
 
     def test_gcc_unmangler(self):
       Settings.NAMED_GLOBALS = 1 # test coverage for this