https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100413
Bug ID: 100413
Summary: [11/12 Regression] ICE: failed to reclaim unneeded
function with custom flags
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 50747
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50747&action=edit
auto-reduced testcase (from OpenTTD sources)
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -fno-guess-branch-probability
-fno-inline-functions-called-once -fipa-cp-clone -fipa-pta
-fnon-call-exceptions --param=ipa-cp-eval-threshold=0 testcase.C
_ZN12_Vector_base13_M_deallocateEv/6 (void _Vector_base::_M_deallocate())
@0x7fb58e54c880
Type: function
Body removed by symtab_remove_unreachable_nodes
Visibility: externally_visible public weak comdat
comdat_group:_ZN12_Vector_base13_M_deallocateEv one_only
References:
Referring:
Availability: not_available
Function flags: body
Called by:
Calls:
testcase.C:60:73: internal compiler error: failed to reclaim unneeded function
60 | ClientNetworkContentSocketHandler::ClientNetworkContentSocketHandler()
{}
|
^
0xe9f7ce mark_functions_to_output
/repo/gcc-trunk/gcc/cgraphunit.c:1651
0xe9f7ce symbol_table::compile()
/repo/gcc-trunk/gcc/cgraphunit.c:2321
0xea2007 symbol_table::compile()
/repo/gcc-trunk/gcc/cgraphunit.c:2269
0xea2007 symbol_table::finalize_compilation_unit()
/repo/gcc-trunk/gcc/cgraphunit.c:2537
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-429-20210504051736-g00d8545d705-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-429-20210504051736-g00d8545d705-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20210504 (experimental) (GCC)
