https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104675
Bug ID: 104675
Summary: [9/10/11/12 Regression] ICE: in expand_expr_real_2, at
expr.cc:9773 at -O with __real__ + __imag__ extraction
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
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 52506
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52506&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O testcase.c
during RTL pass: expand
In function 'bar',
inlined from 'foo' at testcase.c:13:3:
testcase.c:6:5: internal compiler error: in expand_expr_real_2, at expr.cc:9773
6 | c -= s;
| ~~^~~~
0x6ca3fa expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/repo/gcc-trunk/gcc/expr.cc:9773
0xe6a0d8 expand_gimple_stmt_1
/repo/gcc-trunk/gcc/cfgexpand.cc:3967
0xe6a0d8 expand_gimple_stmt
/repo/gcc-trunk/gcc/cfgexpand.cc:4028
0xe70186 expand_gimple_basic_block
/repo/gcc-trunk/gcc/cfgexpand.cc:6069
0xe71d67 execute
/repo/gcc-trunk/gcc/cfgexpand.cc:6795
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-r12-7366-20220224090510-gffb2c671707-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-r12-7366-20220224090510-gffb2c671707-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.1 20220224 (experimental) (GCC)
