From: "jeremyevans0 (Jeremy Evans) via ruby-core" Date: 2025-01-07T20:15:32+00:00 Subject: [ruby-core:120535] [Ruby master Bug#21012] Compiling `a['a','b'],=1` with parse.y fails Issue #21012 has been updated by jeremyevans0 (Jeremy Evans). Backport changed from 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN to 3.1: REQUIRED, 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED >From testing some historical versions on my system: For: `a['a','b'],=1` * Ruby 1.9-2.5: No segfault, looks to be correct instructions * Ruby 2.6-3.1: Segfault * Ruby 3.2: No segfault, but incorrect instructions * Ruby 3.3-3.4: Segfault For: `a['a',10],=1`: * Ruby 1.9-2.5: No segfault, looks to be correct instructions * Ruby 2.6-3.1: Segfault * Ruby 3.2-3.4: No segfault, but incorrect instructions ---------------------------------------- Bug #21012: Compiling `a['a','b'],=1` with parse.y fails https://bugs.ruby-lang.org/issues/21012#change-111337 * Author: tompng (tomoya ishida) * Status: Open * ruby -v: ruby 3.5.0dev (2025-01-06T01:50:53Z master c8e3d745fa) [x86_64-linux] * Backport: 3.1: REQUIRED, 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED ---------------------------------------- Compiling this code with parse.y fails with segmentation fault. ~~~ruby a['a','b'],=1 ~~~ Compiling `a['a',x],=1` generates instruction sequence that wrong contains `opt_aset_with`. ~~~ $ ruby --parser=parse.y --dump=insn -e "a['a',999],=1" == disasm: #@-e:1 (1,0)-(1,13)> 0000 putself ( 1)[Li] 0001 opt_send_without_block 0003 putobject_INT2FIX_1_ 0004 dup 0005 expandarray 1, 0 0008 topn 1001 .... 2006 topn 1001 2008 topn 1000 2010 opt_aset_with "a", 2013 setn 1000 2015 pop .... 3014 pop 3015 leave ~~~ -- https://bugs.ruby-lang.org/ ______________________________________________ ruby-core mailing list -- ruby-core@ml.ruby-lang.org To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org ruby-core info -- https://ml.ruby-lang.org/mailman3/lists/ruby-core.ml.ruby-lang.org/