Ignore -gz (debug info compression) flag (#24081)

Fixes: #24080

Author: sbc100

emcc.py

@@ -1200,6 +1200,9 @@ def consume_arg_file():
           settings.GENERATE_SOURCE_MAP = 1 if requested_level == 'source-map' else 2
           settings.EMIT_NAME_SECTION = 1
           newargs[i] = '-g'
+        elif requested_level == 'z':
+          # Ignore `-gz`.  We don't support debug info compression.
+          continue
         else:
           # Other non-integer levels (e.g. -gline-tables-only or -gdwarf-5) are
           # usually clang flags that emit DWARF. So we pass them through to

test/test_other.py

@@ -8989,6 +8989,7 @@ def test_binaryen_debug(self):
         (['-O0', '--profiling-funcs'], False, False, True, False),
         (['-O1'],        False, False, True, False),
         (['-O2'],        False, True,  False, False),
+        (['-O2', '-gz'], False, True,  False, False), # -gz means debug compression, it should not enable debugging
         (['-O2', '-g1'], False, False, True, False),
         (['-O2', '-g'],  True,  False, True, False),
         (['-O2', '--closure=1'],         False, True, False, True),