[Bug rtl-optimization/126578] New: [15/16/17 Regression] non-call must not throw (REG_EH_REGION) is lost in ifcvt

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126578

            Bug ID: 126578
           Summary: [15/16/17 Regression] non-call must not throw
                    (REG_EH_REGION) is lost in ifcvt
           Product: gcc
           Version: 17.0
            Status: UNCONFIRMED
          Keywords: EH, wrong-code
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pinskia at gcc dot gnu.org
  Target Milestone: ---

Created attachment 65209
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65209&action=edit
testcase

Take the attached testcase this should work with `-fnon-call-exceptions` but
currently does not at `-fnon-call-exceptions -O2`. 

This is like PR 126568 but for rtl ifcvt.