Thanks Clemens for opening the bug. Can you please add me as a watcher to this bug. I am not sure if I can do that myself. You can either use my [email protected] or [email protected]
Sirish On Tuesday, December 11, 2018 at 2:24:50 AM UTC-6, Clemens Hammacher wrote: > > Thanks for the report, ClusterFuzz is able to reproduce this. > I opened a bug: https://crbug.com/913844 > We will make sure to fix this. > > On Mon, Dec 10, 2018 at 11:04 PM Sirish Pande <[email protected] > <javascript:>> wrote: > >> Hi, >> >> I noticed that in the tip build of d8 for ARM64, if I have iterations big >> enough that that can generate jitted code, d8 fails the following way: >> >> $ ./d8 --perf-prof opt.js >> >> >> # >> # Fatal error in >> ../../src/compiler/backend/arm64/unwinding-info-writer-arm64.cc, line 38 >> # Debug check failed: block->predecessors().empty() || >> block->successors().empty(). >> # >> >> Here's simple test case: >> $ cat foo.js >> function add(x, y) { >> return x + y; >> } >> for (var x = 0; x < 1000000; x++) >> add(x, 2); >> >> >> >> Then I started looking at the tagged v8. I found that all 7.3.X also >> fails in the similar way. >> I always build d8 in the following way: >> >> gn gen --args="target_cpu=\"arm64\" is_component_build=false" >> out/7.3.15.debug >> autoninja -C out/7.3.15.debug >> >> The last good one that works with --perf-prof is 7.1.1. I have not >> checked any of the 7.2.x >> >> I am wondering if this is now a known issue, and if someone is already >> looking at it. >> >> Thanks. >> Sirish >> >> >> >> -- >> -- >> v8-dev mailing list >> [email protected] <javascript:> >> http://groups.google.com/group/v8-dev >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > -- > > Clemens Hammacher > > Software Engineer > > [email protected] <javascript:> > > Google Germany GmbH > > Erika-Mann-Straße 33 > > 80636 München > > Geschäftsführer: Paul Manicle, Halimah DeLaine Prado > > Registergericht und -nummer: Hamburg, HRB 86891 > > Sitz der Gesellschaft: Hamburg > > Diese E-Mail ist vertraulich. Falls sie diese fälschlicherweise erhalten > haben sollten, leiten Sie diese bitte nicht an jemand anderes weiter, > löschen Sie alle Kopien und Anhänge davon und lassen Sie mich bitte wissen, > dass die E-Mail an die falsche Person gesendet wurde. > > > > This e-mail is confidential. If you received this communication by > mistake, please don't forward it to anyone else, please erase all copies > and attachments, and please let me know that it has gone to the wrong > person. > > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
