[Bug ipa/123619] [16 regression] ICE when building cppunit-1.15.1* with LTO (in decide_about_value, at ipa-cp.cc:6039)

[haochen.jiang at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123619

--- Comment #5 from Haochen Jiang <haochen.jiang at intel dot com> ---
I just went through all the related bugzilla, let me try with that patch first.