https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120042
Bug ID: 120042
Summary: [16] RISC-V: stage1 fails to build with error:
‘dominated_by_p’ was not declared in this scope in
tree-vectorizer.h
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: ewlu at rivosinc dot com
Target Milestone: ---
Postcommit is failing to build stage1 with error
In file included from ../../../gcc/gcc/config/riscv/riscv-vector-costs.cc:38:
../../../gcc/gcc/tree-vectorizer.h: In function ‘_stmt_vec_info*
get_later_stmt(stmt_vec_info, stmt_vec_info)’:
../../../gcc/gcc/tree-vectorizer.h:1885:28: error: ‘CDI_DOMINATORS’ was not
declared in this scope
1885 | else if (dominated_by_p (CDI_DOMINATORS,
| ^~~~~~~~~~~~~~
https://github.com/patrick-rivos/gcc-postcommit-ci/issues/3053
Ran on r15-9863-g3584aab37f5 and problem persists
Believe it's caused by r15-9859-ga6cfde60d8c
config command:
$ /scratch/ewlu/ci/triage/baseline/build/../gcc/configure
--target=riscv64-unknown-linux-gnu
--prefix=/scratch/ewlu/ci/triage/baseline/build
--with-sysroot=/scratch/ewlu/ci/triage/baseline/build/sysroot --with-newlib
--without-headers --disable-shared --disable-threads --with-system-zlib
--enable-tls --enable-languages=c --disable-libatomic --disable-libmudflap
--disable-libssp --disable-libquadmath --disable-libgomp --disable-nls
--disable-bootstrap --src=../../gcc --enable-multilib --with-abi=lp64d
--with-arch=rv64imafdc --with-tune=rocket --with-isa-spec=20191213
CFLAGS_FOR_TARGET=-O2 -mcmodel=medlow CXXFLAGS_FOR_TARGET=-O2
-mcmodel=medlow
