Repository: go
Issue: cmd/compile: failures with "wait: no child processes" on solaris-amd64-oraclerel since 2021-04-02
Labels: OS-Solaris,NeedsInvestigation,compiler/runtime

```
#!watchflakes
post <- goos == "solaris" && log ~ `wait: no child processes`
```

```
##### ../test
go tool compile: wait: no child processes

go tool dist: FAILED: go list -gcflags=all= -ldflags=all= -f={{if .Stale}}	STALE {{.ImportPath}}: {{.StaleReason}}{{end}} std: exit status 1
```

[2021-05-12T14:43:27-485474d/solaris-amd64-oraclerel](https://build.golang.org/log/606ba9343775ce40f897e431963a5a89f55f1818)
[2021-05-07T21:35:41-f24eac4/solaris-amd64-oraclerel](https://build.golang.org/log/bdc4e1564db3178f30b8abe88eb7774536e1fed4)
[2021-05-07T20:56:39-f05e912/solaris-amd64-oraclerel](https://build.golang.org/log/f4c2861dfc7062dc6e39fc3407e8f73bae32f225)
[2021-05-06T02:20:28-43c390a/solaris-amd64-oraclerel](https://build.golang.org/log/1ddede0f5a96d73397c4408fc41e5cb84450def5)
[2021-05-04T03:22:47-138d2c9/solaris-amd64-oraclerel](https://build.golang.org/log/417b21a9551990974a8ebb46150c96e051659488)
[2021-05-03T17:46:12-90ec257/solaris-amd64-oraclerel](https://build.golang.org/log/71973ea9e7822c109b5a2cf0dd2cecbdfca1e6bc)
[2021-05-02T18:22:19-0d32d9e/solaris-amd64-oraclerel](https://build.golang.org/log/a10964856957b968887d7d46cc017f811bf107c6)
[2021-04-30T16:53:35-89bf297/solaris-amd64-oraclerel](https://build.golang.org/log/185258d2c84d11457b48786bb6df31429f3c9bd5)
[2021-04-30T16:27:50-3366556/solaris-amd64-oraclerel](https://build.golang.org/log/c9748827b8faeb121945ccc8f68ae50fcd1b6235)
[2021-04-29T14:15:04-862ddb3/solaris-amd64-oraclerel](https://build.golang.org/log/90bfb53a1e635d990ec0587c18f0eb23cef2acaf)
[2021-04-28T20:36:50-fa6ed6e/solaris-amd64-oraclerel](https://build.golang.org/log/ec72288664e86daa7ac880442f2bb787ff5f607a)
[2021-04-28T19:13:50-ad989c7/solaris-amd64-oraclerel](https://build.golang.org/log/2669e12373b36dbebad436fd4d7f12aa0d21cab9)
[2021-04-27T19:40:24-b9dfaf7/solaris-amd64-oraclerel](https://build.golang.org/log/a048c905aa2220ba6d1a97bee0659757b0157a24)
[2021-04-22T01:40:02-5daefc5/solaris-amd64-oraclerel](https://build.golang.org/log/60a5407ae3fb2527ee10606abf78ff1b75706229)
[2021-04-22T01:29:53-0636d88/solaris-amd64-oraclerel](https://build.golang.org/log/5926d9c7382886bb04ad4008a55cd6a88f8bbba7)
[2021-04-21T14:16:01-e5bc4f2/solaris-amd64-oraclerel](https://build.golang.org/log/9d5f87c3f87a9cf6d301c43331a121c1739d8783)
[2021-04-20T22:47:50-48e3d92/solaris-amd64-oraclerel](https://build.golang.org/log/da449072969798502a1bbe3518f7e5696336730d)
[2021-04-15T00:40:43-566a87c/solaris-amd64-oraclerel](https://build.golang.org/log/f99d49f65b079532fbe0c114757f51af63dffb63)
[2021-04-14T19:50:58-d1362d7/solaris-amd64-oraclerel](https://build.golang.org/log/a3084f05db0e7521be694fbc092823cc9fc47d8a)
[2021-04-12T16:44:49-70ed28e/solaris-amd64-oraclerel](https://build.golang.org/log/b9d9bf967cfcb9add634395d2e3b2f5a29a51355)
[2021-04-08T20:55:59-0243799/solaris-amd64-oraclerel](https://build.golang.org/log/6a34b0e8c433b47306050f64def1b0d04ac5768a)
[2021-04-06T14:15:29-b345a30/solaris-amd64-oraclerel](https://build.golang.org/log/30aabb29c74e137fee2849525fbe3a333eecd22d)
[2021-04-06T13:01:37-5cd8a34/solaris-amd64-oraclerel](https://build.golang.org/log/d980ecd5c36fbb756c055f19d9527d232e342c76)
[2021-04-02T19:27:06-34b87b4/solaris-amd64-oraclerel](https://build.golang.org/log/bac9a813af214b25bf523ef3d3ebce930f7db76c)
[2021-04-02T13:30:18-b165085/solaris-amd64-oraclerel](https://build.golang.org/log/d041f19c692af93f7ef19374d04ae41555f28ba0)

Milestoning to Go 1.17 since this seems to be a regression starting in April, but it isn't release-blocker because it somehow appears to affect only Solaris(‽).

CC @golang/release in case this can be explained by any changes to the builder around that time.