[Bug rtl-optimization/106101] New: [12/13 Regression] ICE in reg_bitfield_target_p

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Jun 27 09:22:11 GMT 2022


            Bug ID: 106101
           Summary: [12/13 Regression] ICE in reg_bitfield_target_p
           Product: gcc
           Version: 12.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
  Target Milestone: ---

Testcase reduced from opie

> ./cc1 -quiet /tmp/y.tab.i -O -I include -w
during RTL pass: combine
/tmp/y.tab.i: In function ‘yyparse’:
/tmp/y.tab.i:59:1: internal compiler error: Segmentation fault
   59 | }
      | ^
0x14010ac crash_signal
0x21932ef reg_bitfield_target_p
0x219473f distribute_notes
0x2173f8f try_combine
0x216a2f6 combine_instructions
0x2195541 rest_of_handle_combine
0x2195602 execute
Please submit a full bug report, with preprocessed source (by using
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See <https://gcc.gnu.org/bugs/> for instructions.

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