https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64872
Bug ID: 64872
Summary: [5 Regression] ICE: Segmentation fault during Chromium
PGO build
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: marxin at gcc dot gnu.org
Created attachment 34625
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34625&action=edit
testcase
Chromium build fails during -fprofile-use phase:
markus@x4 /tmp % g++ -c -O2 -fprofile-use -fprofile-correction -fno-exceptions
-fno-rtti -std=gnu++11 pickle.ii
../../base/pickle.cc:372:1: internal compiler error: Segmentation fault
0xc9823f crash_signal
../../gcc/gcc/toplev.c:381
0xa1811a aggregate_value_p(tree_node const*, tree_node const*)
../../gcc/gcc/function.c:2037
0xa1ec4e allocate_struct_function(tree_node*, bool)
../../gcc/gcc/function.c:4788
0x903823 cgraph_node::create_wrapper(cgraph_node*)
../../gcc/gcc/cgraphunit.c:2407
0x129f8cb ipa_icf::sem_function::merge(ipa_icf::sem_item*)
../../gcc/gcc/ipa-icf.c:766
0x12a4ca1 ipa_icf::sem_item_optimizer::merge_classes(unsigned int)
../../gcc/gcc/ipa-icf.c:2383
0x12a9a7c ipa_icf::sem_item_optimizer::execute()
../../gcc/gcc/ipa-icf.c:1734
0x12aa311 ipa_icf_driver
../../gcc/gcc/ipa-icf.c:2461
0x12aa311 ipa_icf::pass_ipa_icf::execute(function*)
../../gcc/gcc/ipa-icf.c:2509
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.
As expected -fno-ipa-icf "fixes" the issue.
