https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122332
Bug ID: 122332
Summary: ice in vect_analyze_slp_reduc_chain, at
tree-vect-slp.cc:4216
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Created attachment 62581
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62581&action=edit
C source code
The attached code does this with recent gcc trunk
foundBugs $ /home/dcb42/gcc/results.20251010.asan.ubsan/bin/gcc -c -w -O2
bug1128.c
foundBugs $ /home/dcb42/gcc/results.20251014.asan.ubsan/bin/gcc -c -w -O2
bug1128.c
during GIMPLE pass: vect
runData/keep/in.68056.c: In function ‘main’:
runData/keep/in.68056.c:1609:5: internal compiler error: in
vect_analyze_slp_reduc_chain, at tree-vect-slp.cc:4216
0x1f73827 internal_error
/home/dcb42/gcc/working/gcc/../../trunk/gcc/diagnostic-global-context.cc:787
0x1f7d07b fancy_abort
/home/dcb42/gcc/working/gcc/../../trunk/gcc/diagnostics/context.cc:1806
0xfd0d6d vect_analyze_slp_reduc_chain
/home/dcb42/gcc/working/gcc/../../trunk/gcc/tree-vect-slp.cc:4215
foundBugs $ /home/dcb42/gcc/results.20251010.asan.ubsan/bin/gcc -v 2>&1 |
grep exper
gcc version 16.0.0 20251010 (experimental) (49ddf362f0a7c1fd)
foundBugs $ /home/dcb42/gcc/results.20251014.asan.ubsan/bin/gcc -v 2>&1 |
grep exper
gcc version 16.0.0 20251014 (experimental) (97da8fece19caf02)
foundBugs $
