https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96723
Bug ID: 96723
Summary: [11 Regression] ICE: SIGSEGV: infinite recursion in
ana::region::get_subregions_for_binding with -Og
-fanalyzer
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 49086
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49086&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-g++ -Og -fanalyzer testcase.C
x86_64-pc-linux-gnu-g++: internal compiler error: Segmentation fault signal
terminated program cc1plus
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
(gdb) bt
#0 0x00007ffff772a0b6 in _int_malloc () from /lib64/libc.so.6
#1 0x00007ffff772b9e4 in malloc () from /lib64/libc.so.6
#2 0x0000000001fec7f5 in operator new(unsigned long) ()
#3 0x00000000016c75e3 in ana::region_model_manager::get_field_region
(this=this@entry=0x7fffffffcc10, parent=parent@entry=0x10336890,
field=field@entry=0x7ffff75e8f00)
at /repo/gcc-trunk/gcc/analyzer/region-model.h:2352
#4 0x00000000016ac2f6 in ana::region::get_subregions_for_binding
(this=0x10336890, mgr=0x7fffffffcc10, relative_bit_offset=...,
size_in_bits=..., type=0x7ffff74ad000, out=0x7fffffffbec8)
at /repo/gcc-trunk/gcc/analyzer/region.cc:314
#5 0x00000000016ac33f in ana::region::get_subregions_for_binding
(this=0x10336510, mgr=0x7fffffffcc10, relative_bit_offset=...,
size_in_bits=..., type=0x7ffff74ad000, out=0x7fffffffbec8)
at /repo/gcc-trunk/gcc/analyzer/region.cc:315
#6 0x00000000016ac33f in ana::region::get_subregions_for_binding
(this=0x10336190, mgr=0x7fffffffcc10, relative_bit_offset=...,
size_in_bits=..., type=0x7ffff74ad000, out=0x7fffffffbec8)
at /repo/gcc-trunk/gcc/analyzer/region.cc:315
#7 0x00000000016ac33f in ana::region::get_subregions_for_binding
(this=0x10335e10, mgr=0x7fffffffcc10, relative_bit_offset=...,
size_in_bits=..., type=0x7ffff74ad000, out=0x7fffffffbec8)
...
$ x86_64-pc-linux-gnu-g++ -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-g++
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-2779-20200820091258-g1763ec9b20c-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.0/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
--disable-bootstrap --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-r11-2779-20200820091258-g1763ec9b20c-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.0 20200820 (experimental) (GCC)
