https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94964
Bug ID: 94964
Summary: [8/9/10/11 Regression] ICE in add_phi_arg, at
tree-phinodes.c:359 since r8-2993-ga7976089dba5e227
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org
Target Milestone: ---
Quite old issue:
$ gcc
/home/marxin/Programming/gcc/gcc/testsuite/g++.old-deja/g++.robertl/eh990323-5.C
-fno-tree-sink -fno-guess-branch-probability -fno-tree-ch
-finline-small-functions -O1 --param=early-inlining-insns=100
-fpredictive-commoning -c
during GIMPLE pass: pcom
/home/marxin/Programming/gcc/gcc/testsuite/g++.old-deja/g++.robertl/eh990323-5.C:
In function ‘void f()’:
/home/marxin/Programming/gcc/gcc/testsuite/g++.old-deja/g++.robertl/eh990323-5.C:41:6:
internal compiler error: in add_phi_arg, at tree-phinodes.c:359
41 | void f()
| ^
0x7eb110 add_phi_arg(gphi*, tree_node*, edge_def*, unsigned int)
/home/marxin/Programming/gcc/gcc/tree-phinodes.c:359
0x1162f37 initialize_root_vars_lm
/home/marxin/Programming/gcc/gcc/tree-predcom.c:1969
0x1162f37 execute_load_motion
/home/marxin/Programming/gcc/gcc/tree-predcom.c:2001
0x1162f37 execute_pred_commoning
/home/marxin/Programming/gcc/gcc/tree-predcom.c:2265
0x11654f2 tree_predictive_commoning_loop
/home/marxin/Programming/gcc/gcc/tree-predcom.c:3308
0x11654f2 tree_predictive_commoning()
/home/marxin/Programming/gcc/gcc/tree-predcom.c:3333
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
