Fix minor code defects #1982

Job	Run time
build-by-clang	6m 33s
build-on-macos	4m 40s
build-test-api	6m 38s
build-on-windows-x64-uwp-x86-shared	8m 54s
build-test-codecache	11m 0s
build-test-debugger	4m 11s
build-test-on-android (x86, 28)	33m 0s
build-test-on-android (x86_64, 28)	24m 37s
build-test-on-x64-release (new-es octane v8)	10m 22s
build-test-on-x64-release (new-es octane v8, -DESCARGOT_THREADING=ON -DESCARGOT_TCO=ON)	8m 31s
build-test-on-x64-release (chakracore spidermonkey)	10m 11s
build-test-on-x64-release (chakracore spidermonkey, -DESCARGOT_THREADING=ON -DESCARGOT_TCO=ON)	8m 9s
build-test-on-x64-release (chakracore spidermonkey, -DESCARGOT_SMALL_CONFIG=ON -DESCARGOT_USE_CUS...	8m 54s
build-test-on-x86-release (octane)	9m 10s
build-test-on-x86-release (v8 chakracore spidermonkey)	10m 36s
build-test-on-x86-release (jetstream-only-simple-parallel-1)	10m 43s
build-test-on-x86-release (jetstream-only-simple-parallel-2 jsc-stress)	8m 41s
build-test-on-x86-release (jetstream-only-simple-parallel-3 jetstream-only-cdjs)	9m 39s
build-test-on-x86-x64-debug	6m 54s
build-test-wasmjs	6m 34s
check-tidy	1m 54s
test-on-windows-clang-cl (x86, -m32)	13m 46s
test-on-windows-x86-x64 (x86)	45m 20s
test-on-windows-x86-x64 (x64)	39m 51s
	5h 8m 48s

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