https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94002
--- Comment #2 from Zdenek Sojka <zsojka at seznam dot cz> ---
Thanks for checking this; I can reproduce this with r10-6970 with "yes-only"
checking:
$ riscv64-unknown-linux-gnu-gcc -O -fPIC -fno-tree-dce -fno-tree-reassoc
testcase.c -wrapper valgrind,-q
during RTL pass: ira
testcase.c: In function 'foo':
testcase.c:8:1: internal compiler error: in decompose, at rtl.h:2279
8 | }
| ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
$ riscv64-unknown-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-riscv64/bin/riscv64-unknown-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-20200302132420-gac3148a3d7d-checking-yes-riscv64/bin/../libexec/gcc/riscv64-unknown-linux-gnu/10.0.1/lto-wrapper
Target: riscv64-unknown-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes --with-cloog
--with-ppl --with-isl --with-sysroot=/usr/riscv64-unknown-linux-gnu
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=riscv64-unknown-linux-gnu
--with-ld=/usr/bin/riscv64-unknown-linux-gnu-ld
--with-as=/usr/bin/riscv64-unknown-linux-gnu-as --disable-multilib
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-20200302132420-gac3148a3d7d-checking-yes-riscv64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 10.0.1 20200302 (experimental) (GCC)
I verified I uploaded the correct testcase.
$ md5sum testcase.c
7bb83f9b5b51256c6151de99df6d6d58 testcase.c
