Yusuke Endoh f9e5c74cd2 compile.c: stop wrong peephole optimization when covearge is enabled ... jump-jump optimization ignores the event flags of the jump instruction being skipped, which leads to overlook of line events. This changeset stops the wrong optimization when coverage measurement is neabled and when the jump instruction has any event flag. Note that this issue is not only for coverage but also for TracePoint, and this change does not fix TracePoint. However, fixing it fundamentally is tough (which requires revamp of the compiler). This issue is critical in terms of coverage measurement, but minor for TracePoint (ko1 said), so we here choose a stopgap measurement. [Bug #15980] [Bug #16397] Note for backporters: this changeset can be viewed by `git diff -w`.		2019-12-04 10:40:54 +09:00
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test_coverage.rb