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Bug #21345

open

crash on evaluating 'a=>a,*,'

Added by masterleep2 (Bill Lipa) about 15 hours ago. Updated about 12 hours ago.

Status:
Open
Assignee:
prism
Target version:
-
ruby -v:
ruby 3.4.3 (2025-04-14 revision d0b7e5b6a0) +PRISM [arm64-darwin24]
Backport:
3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
[ruby-core:122149]

Description

ruby -e 'a=>a,*,'

-e: [BUG] Unexpected node type in pattern matching expression: PM_IMPLICIT_REST_NODE
ruby 3.4.3 (2025-04-14 revision d0b7e5b6a0) +PRISM [arm64-darwin24]

-- Crash Report log information --------------------------------------------
   See Crash Report log file in one of the following locations:             
     * ~/Library/Logs/DiagnosticReports                                     
     * /Library/Logs/DiagnosticReports                                      
   for more details.                                                        
Don't forget to include the above Crash Report log file in bug reports.     

-- Control frame information -----------------------------------------------
c:0001 p:0000 s:0003 E:0001f0 DUMMY  [FINISH]


-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1

-- C level backtrace information -------------------------------------------
/opt/local/lib/libruby.3.4.dylib(rb_vm_bugreport+0xb6c) [0x104cbcfdc]
/opt/local/lib/libruby.3.4.dylib(rb_bug_without_die_internal+0xfc) [0x104afa12c]
/opt/local/lib/libruby.3.4.dylib(rb_bug+0x1c) [0x104e07970]
/opt/local/lib/libruby.3.4.dylib(pm_compile_pattern.cold.2+0x0) [0x104e0750c]
/opt/local/lib/libruby.3.4.dylib(pm_compile_pattern+0x42a8) [0x104abd78c]
/opt/local/lib/libruby.3.4.dylib(pm_compile_pattern+0x3f90) [0x104abd474]
/opt/local/lib/libruby.3.4.dylib(pm_compile_match_required_node+0x3b4) [0x104abdb54]
/opt/local/lib/libruby.3.4.dylib(pm_compile_node+0x1670) [0x104a8659c]
/opt/local/lib/libruby.3.4.dylib(pm_compile_scope_node+0x1c34) [0x104ac2018]
/opt/local/lib/libruby.3.4.dylib(pm_iseq_compile_node+0x84) [0x104a84e60]
/opt/local/lib/libruby.3.4.dylib(pm_iseq_new_with_opt_try+0x1c) [0x104b5cbc8]
/opt/local/lib/libruby.3.4.dylib(rb_protect+0xbc) [0x104b060cc]
/opt/local/lib/libruby.3.4.dylib(pm_iseq_new_with_opt+0x14c) [0x104b5c034]
/opt/local/lib/libruby.3.4.dylib(pm_iseq_new_main+0xc4) [0x104b5c23c]
/opt/local/lib/libruby.3.4.dylib(ruby_process_options+0x16a4) [0x104c12a30]
/opt/local/lib/libruby.3.4.dylib(ruby_options+0xb0) [0x104b04b04]
/opt/local/bin/ruby3.4(main+0x64) [0x1041eff20]

Files

crash.txt (14.1 KB) crash.txt masterleep2 (Bill Lipa), 05/16/2025 04:18 PM
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