https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106101
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
/space/rguenther/src/gcc/gcc/toplev.cc:322
0x21932ef reg_bitfield_target_p
/space/rguenther/src/gcc/gcc/combine.cc:14142
0x219473f distribute_notes
/space/rguenther/src/gcc/gcc/combine.cc:14653
0x2173f8f try_combine
/space/rguenther/src/gcc/gcc/combine.cc:4485
0x216a2f6 combine_instructions
/space/rguenther/src/gcc/gcc/combine.cc:1268
0x2195541 rest_of_handle_combine
/space/rguenther/src/gcc/gcc/combine.cc:14976
0x2195602 execute
/space/rguenther/src/gcc/gcc/combine.cc:15021
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
