When run_proc is used to run external processes, output can be lost when SIGCHILD is handled and there is still output pending.
Created attachment 15058 [details] Patch for 4.9 and 4.10
Hi Karolin, This is ready for v4-9 and v4-10. Thanks.
(In reply to Amitay Isaacs from comment #2) Pushed to autobuild-v4-{10,9}-test.
Pushed to both branches. Closing out bug report. Thanks!