Test

fix: avoid to visit nullptr in binaryen (#2943) #4897

Job	Run time
Check	5s
Features	29s
Bootstrap (debug)	4m 12s
Runtimes	31s
Bootstrap (release)	5m 1s
Compiler (ubuntu, node lts/*)	1m 54s
Compiler (ubuntu, node current)	1m 42s
Coverage	3m 58s
Loader	22s
Compiler (windows, node lts/*)	2m 8s
Compiler (windows, node current)	1m 49s
Compiler (macos, node current)	1m 27s
Compiler (macos, node lts/*)	1m 15s
	24m 53s

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