Repository: go
Issue: x/tools/go/packages: TestLoadArgumentListIsNotTooLong failures
Labels: NeedsInvestigation,Tools

```
#!watchflakes
default <- pkg == "golang.org/x/tools/go/packages" && test == "TestLoadArgumentListIsNotTooLong"
```

Issue created automatically to collect these failures.

Example ([log](https://ci.chromium.org/b/8747024943057482657)):

    === RUN   TestLoadArgumentListIsNotTooLong
    === PAUSE TestLoadArgumentListIsNotTooLong
    === CONT  TestLoadArgumentListIsNotTooLong
        invoke.go:277: 197.5172ms for GOROOT= GOPATH=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod GO111MODULE=off GOPROXY= PWD=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod\src go list -e -f {{context.ReleaseTags}} -- unsafe
        invoke.go:277: 192.7913ms for GOROOT= GOPATH=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod GO111MODULE=off GOPROXY= PWD=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod\src go list -e -f {{context.ReleaseTags}} -- unsafe
        invoke.go:277: 241.0386ms for GOROOT= GOPATH=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod GO111MODULE=off GOPROXY= PWD=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod\src go list -e -f {{context.ReleaseTags}} -- unsafe
        invoke.go:277: 377.187ms for GOROOT= GOPATH=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod GO111MODULE=off GOPROXY= PWD=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod\src go list -e -f {{context.ReleaseTags}} -- unsafe
        invoke.go:277: 443.464ms for GOROOT= GOPATH=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod GO111MODULE=off GOPROXY= PWD=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod\src go list -e -f {{context.ReleaseTags}} -- unsafe
        invoke.go:277: 511.2375ms for GOROOT= GOPATH=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod GO111MODULE=off GOPROXY= PWD=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod\src go list -e -f {{context.ReleaseTags}} -- unsafe
        invoke.go:277: 552.0772ms for GOROOT= GOPATH=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod GO111MODULE=off GOPROXY= PWD=C:\Users\swarming\.swarming\w\ir\x\t\TestLoadArgumentListIsNotTooLong1765366638\mod\src go list -e -f {{context.ReleaseTags}} -- unsafe
    ...
            	internal/cpu/cpu_arm64.go:22
            internal/cpu.Initialize({0x0, 0x0})
            	internal/cpu/cpu.go:125 +0x30 fp=0x3e6b9ffdf0 sp=0x3e6b9ffdc0 pc=0x7ff7d9f14370
            runtime.cpuinit(...)
            	runtime/proc.go:639
            runtime.schedinit()
            	runtime/proc.go:731 +0xcc fp=0x3e6b9ffe30 sp=0x3e6b9ffdf0 pc=0x7ff7d9f4df7c
            runtime.rt0_go()
            	runtime/asm_arm64.s:86 +0xac fp=0x3e6b9ffe60 sp=0x3e6b9ffe30 pc=0x7ff7d9f7b9fc
    --- FAIL: TestLoadArgumentListIsNotTooLong (44.27s)


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