https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105214
Bug ID: 105214
Summary: [12 Regression] ICE: in connect_traces, at
dwarf2cfi.cc:3074 with custom flags
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 52777
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52777&action=edit
reduced testcase
$ x86_64-pc-linux-gnu-gcc -Ofast -fnon-call-exceptions -fstack-check=generic
-fsanitize=address -fno-finite-math-only -fsignaling-nans -m32 testcase.c
cc1: warning: '-fassociative-math' disabled; other options take precedence
during RTL pass: dwarf2
testcase.c: In function 'foo':
testcase.c:13:1: internal compiler error: in connect_traces, at
dwarf2cfi.cc:3074
13 | }
| ^
0x6b16a9 connect_traces
/repo/gcc-trunk/gcc/dwarf2cfi.cc:3074
0x6b16a9 execute_dwarf2_frame
/repo/gcc-trunk/gcc/dwarf2cfi.cc:3305
0x6b16a9 execute
/repo/gcc-trunk/gcc/dwarf2cfi.cc:3792
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
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-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-8072-20220410001634-g71cac7de8f1-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.1/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-r12-8072-20220410001634-g71cac7de8f1-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.1 20220410 (experimental) (GCC)
