https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89335
Bug ID: 89335
Summary: [9 Regression] ICE with LTO -Wsuggest-final-methods:
ICE during IPA pass devirt in types_same_for_odr, at
ipa-devirt.c:391
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Created attachment 45702
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45702&action=edit
9 Line test case: g++ -O2 -flto -Wsuggest-final-methods input.ii
$ g++ -O2 -flto -Wsuggest-final-methods input.ii
during IPA pass: devirt
lto1: internal compiler error: in types_same_for_odr, at ipa-devirt.c:391
0x638062 types_same_for_odr(tree_node const*, tree_node const*)
../../gcc/ipa-devirt.c:391
0xa7c1a3 possible_polymorphic_call_targets(tree_node*, long,
ipa_polymorphic_call_context, bool*, void**, bool)
../../gcc/ipa-devirt.c:3390
0xa7d315 possible_polymorphic_call_targets(cgraph_edge*, bool*, void**, bool)
../../gcc/ipa-utils.h:118
0xa7d315 ipa_devirt
../../gcc/ipa-devirt.c:3781
0xa7d315 execute
../../gcc/ipa-devirt.c:4094
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.
lto-wrapper: fatal error: g++ returned 1 exit status
compilation terminated.
/data/local/gdb/gdb-inst/bin/ld: error: lto-wrapper failed
