https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61256
Bug ID: 61256
Summary: [4.10 regression] Building spec2000/252.eon with LTO
got a compfail after r210522
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: izamyatin at gmail dot com
Linking on x86 as follows
g++ -m64 -Ofast -flto -funroll-loops -m64 -Ofast -flto -funroll-loops
-DSPEC_CPU2000_LP64 ...
gives
lto1: internal compiler error: in gimple_get_virt_method_for_vtable, at
gimple-fold.c:3276
0x730833 gimple_get_virt_method_for_vtable(long, tree_node*, unsigned long,
bool*)
........../../gcc/gimple-fold.c:3276
0x730a23 gimple_get_virt_method_for_binfo(long, tree_node*, bool*)
........../../gcc/gimple-fold.c:3377
0x77a133 record_target_from_binfo
........../../gcc/ipa-devirt.c:867
0x77a30f record_target_from_binfo
........../../gcc/ipa-devirt.c:884
0x77a9bb possible_polymorphic_call_targets_1
........../../gcc/ipa-devirt.c:931
0x77e609 possible_polymorphic_call_targets(tree_node*, long,
ipa_polymorphic_call_context, bool*, void**, int*)
........../../gcc/ipa-devirt.c:1743
0x7a46f9 possible_polymorphic_call_targets
........../../gcc/ipa-utils.h:121
0x7a46f9 walk_polymorphic_call_targets
........../../gcc/ipa.c:177
0x7a46f9 symtab_remove_unreachable_nodes(bool, _IO_FILE*)
........../../gcc/ipa.c:407
0x858ec7 execute_todo
........../../gcc/passes.c:1843
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: g++ returned 1 exit status
/usr/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
specmake: *** [eon] Error 1
Also 471.omnetpp from spec2006 fails with the same error
