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Bug #17008

open

JIT enabled on Windows can cause constant conhost pop-ups

Added by AWiederin (Aubrey Wiederin) about 1 year ago. Updated about 1 year ago.

Status:
Feedback
Priority:
Normal
Target version:
-
[ruby-core:99046]

Description

I'm unsure of the min requirements for it to happen, but at least for ruby embedded in a gui mingw32 application, enabling JIT causes a conhost.exe popup for every gcc call, repeatedly stealing focus.
The easy fix is to add the CREATE_NO_WINDOW flag to CreateChild calls in win32.c, line 1326 in particular.

(Only somewhat related: It'd probably help performance if a single conhost could be shared among gcc calls, instead of letting Windows make a new one for each.)

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