Allow `-Wl,--print-map` now that wasm-ld supports it (#12697)

emcc.py

@@ -91,8 +91,6 @@ SUPPORTED_LINKER_FLAGS = (
 UNSUPPORTED_LLD_FLAGS = {
     # macOS-specific linker flag that libtool (ltmain.sh) will if macOS is detected.
     '-bind_at_load': False,
-    # wasm-ld doesn't support map files yet.
-    '--print-map': False,
     '-M': False,
     # wasm-ld doesn't support soname or other dynamic linking flags (yet).   Ignore them
     # in order to aid build systems that want to pass these flags.

tests/test_other.py

@@ -8940,12 +8940,6 @@ Module.arguments has been replaced with plain arguments_ (the initial value can
     self.run_process([EMCC, path_from_root('tests', 'hello_world.cpp'), '-lm', '-ldl', '-lrt', '-lpthread'])
 
   def test_supported_linker_flags(self):
-    out = self.run_process([EMCC, path_from_root('tests', 'hello_world.cpp'), '-Wl,--print-map'], stderr=PIPE).stderr
-    self.assertContained('warning: ignoring unsupported linker flag: `--print-map`', out)
-
-    out = self.run_process([EMCC, path_from_root('tests', 'hello_world.cpp'), '-Xlinker', '--print-map'], stderr=PIPE).stderr
-    self.assertContained('warning: ignoring unsupported linker flag: `--print-map`', out)
-
     out = self.run_process([EMCC, path_from_root('tests', 'hello_world.cpp'), '-Wl,-rpath=foo'], stderr=PIPE).stderr
     self.assertContained('warning: ignoring unsupported linker flag: `-rpath=foo`', out)