https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65722
Bug ID: 65722
Summary: [5 Regression] ICE: tree check: expected
function_decl, have var_decl in equals_wpa, at
ipa-icf.c:1679 with -fipa-icf -fno-rtti
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Created attachment 35280
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35280&action=edit
reduced testcase
Compiler output:
$ gcc -O -fipa-icf -fno-rtti testcase.C
testcase.C:18:1: internal compiler error: tree check: expected function_decl,
have var_decl in equals_wpa, at ipa-icf.c:1679
}
^
0x10802bc tree_check_failed(tree_node const*, char const*, int, char const*,
...)
/mnt/svn/gcc-trunk/gcc/tree.c:9297
0x1893327 tree_check(tree_node*, char const*, int, char const*, tree_code)
/mnt/svn/gcc-trunk/gcc/tree.h:2846
0x1893327 ipa_icf::sem_variable::equals_wpa(ipa_icf::sem_item*,
hash_map<symtab_node*, ipa_icf::sem_item*, default_hashmap_traits>&)
/mnt/svn/gcc-trunk/gcc/ipa-icf.c:1679
0x188f0b2 ipa_icf::sem_item_optimizer::subdivide_classes_by_equality(bool)
/mnt/svn/gcc-trunk/gcc/ipa-icf.c:2657
0x189a4ea ipa_icf::sem_item_optimizer::execute()
/mnt/svn/gcc-trunk/gcc/ipa-icf.c:2405
0x189bf56 ipa_icf_driver
/mnt/svn/gcc-trunk/gcc/ipa-icf.c:3306
0x189bf56 ipa_icf::pass_ipa_icf::execute(function*)
/mnt/svn/gcc-trunk/gcc/ipa-icf.c:3353
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.
$ gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-221940-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk/binary-221940-lto-fortran-checking-yes-rtl-df/
--without-cloog --without-ppl
Thread model: posix
gcc version 5.0.0 20150409 (experimental) (GCC)
Marking as regression since "-O2 -fno-rtti" triggers the issue.
