build: fail on instrumentation errors #21071
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nyc was silently failing to instrument new language features, resulting in a failure to instrument console.js.
the actual underlying issues are discussed and addressed here:
babel/babel#8075,
istanbuljs/istanbuljs#174,
istanbuljs/istanbuljs#175
In this pull request we enable nyc's logging and new "exit on failure" feature to ensure that we catch behavior like this immediately in the future.
see #20952
Checklist
make -j4 test
(UNIX), orvcbuild test
(Windows) passesCC: @BridgeAR, @maclover7