master branch: commit r12-3464 failed to bootstrap on Linux/x86_64 (commit r12-3454 builds)!

[H.J. Lu]

make[2]: Entering directory '/export/gnu/import/git/gcc-test-master-intel64'
rm -rf bld
mkdir -p bld
cd bld; \
RUNTESTFLAGS="--target_board='unix{-m32,-mx32,}'" ../src-master/configure \
	 --prefix=/usr/12.0.0 --enable-clocale=gnu --with-system-zlib --enable-shared --enable-cet --with-demangler-in-ld --enable-libmpx --with-multilib-list=m32,m64,mx32 --with-fpmath=sse 
checking build system type... x86_64-pc-linux-gnu
    grep "Error " makelog.r12-3464.x86_64.x32 >> makelog.r12-3464.x86_64.x32.mail; \
make[6]: *** [../../../src-master/libgcc/shared-object.mk:14: truncxfhf2.o] Error 1
make[6]: *** [../../../src-master/libgcc/shared-object.mk:14: trunctfhf2.o] Error 1
make[6]: *** [../../../src-master/libgcc/shared-object.mk:14: truncsfhf2.o] Error 1
make[6]: *** [../../../src-master/libgcc/shared-object.mk:14: truncdfhf2.o] Error 1
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: trunctfhf2.o] Error 1
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: truncxfhf2.o] Error 1
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: truncdfhf2.o] Error 1
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: truncsfhf2.o] Error 1
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: floattihf.o] Error 1
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: floatuntihf.o] Error 1
make[7]: *** [Makefile:1211: multi-do] Error 1
make[6]: *** [Makefile:127: all-multi] Error 2
make[5]: *** [Makefile:19662: all-stage1-target-libgcc] Error 2
make[4]: *** [Makefile:24894: stage1-bubble] Error 2
make[3]: *** [Makefile:25231: bootstrap] Error 2
make[2]: *** [Makefile:309: bootstrap] Error 2
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: truncxfhf2.o] Error 1
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: truncdfhf2.o] Error 1
0xc59129 expand_gimple_stmt_1
	../../src-master/gcc/cfgexpand.c:3942
0xc5951e expand_gimple_stmt
	../../src-master/gcc/cfgexpand.c:4040
0xc617e0 expand_gimple_basic_block
	../../src-master/gcc/cfgexpand.c:6082
0xc63c89 execute
	../../src-master/gcc/cfgexpand.c:6808
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: truncsfhf2.o] Error 1
0x12b9669 gen_lowpart_general(machine_mode, rtx_def*)
	../../src-master/gcc/rtlhooks.c:57
0xdcfda5 extract_bit_field_using_extv
	../../src-master/gcc/expmed.c:1581
0xdd2624 extract_integral_bit_field
	../../src-master/gcc/expmed.c:1993
0xdd1b13 extract_bit_field_1
	../../src-master/gcc/expmed.c:1857
0xdd3048 extract_bit_field(rtx_def*, poly_int<1u, unsigned long>, poly_int<1u, unsigned long>, int, rtx_def*, machine_mode, machine_mode, bool, rtx_def**)
	../../src-master/gcc/expmed.c:2129
0x12b9669 gen_lowpart_general(machine_mode, rtx_def*)
	../../src-master/gcc/rtlhooks.c:57
0xdcfda5 extract_bit_field_using_extv
	../../src-master/gcc/expmed.c:1581
0xdd2624 extract_integral_bit_field
	../../src-master/gcc/expmed.c:1993
0xdd1b13 extract_bit_field_1
	../../src-master/gcc/expmed.c:1857
0xdd3048 extract_bit_field(rtx_def*, poly_int<1u, unsigned long>, poly_int<1u, unsigned long>, int, rtx_def*, machine_mode, machine_mode, bool, rtx_def**)
	../../src-master/gcc/expmed.c:2129
0xe134fb expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool)
	../../src-master/gcc/expr.c:11413
0xe06d0e expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool)
	../../src-master/gcc/expr.c:8752
0xdfbe4c store_expr(tree_node*, rtx_def*, int, bool, bool)
	../../src-master/gcc/expr.c:6103
0xdfa3b6 expand_assignment(tree_node*, tree_node*, bool)
	../../src-master/gcc/expr.c:5835
0xc59129 expand_gimple_stmt_1
	../../src-master/gcc/cfgexpand.c:3942
0xc5951e expand_gimple_stmt
	../../src-master/gcc/cfgexpand.c:4040
0xc617e0 expand_gimple_basic_block
	../../src-master/gcc/cfgexpand.c:6082
0xc63c89 execute
	../../src-master/gcc/cfgexpand.c:6808
0xe134fb expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool)
	../../src-master/gcc/expr.c:11413
0xe06d0e expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool)
	../../src-master/gcc/expr.c:8752
0xdfbe4c store_expr(tree_node*, rtx_def*, int, bool, bool)
	../../src-master/gcc/expr.c:6103
0xdfa3b6 expand_assignment(tree_node*, tree_node*, bool)
	../../src-master/gcc/expr.c:5835
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: floattihf.o] Error 1
0xc59129 expand_gimple_stmt_1
	../../src-master/gcc/cfgexpand.c:3942
0xc5951e expand_gimple_stmt
	../../src-master/gcc/cfgexpand.c:4040
0xc617e0 expand_gimple_basic_block
	../../src-master/gcc/cfgexpand.c:6082
0xc63c89 execute
	../../src-master/gcc/cfgexpand.c:6808
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[8]: *** [../../../../src-master/libgcc/shared-object.mk:14: floatuntihf.o] Error 1
make[8]: Leaving directory '/export/gnu/import/git/gcc-test-master-intel64/bld/x86_64-pc-linux-gnu/x32/libgcc'
make[7]: *** [Makefile:1211: multi-do] Error 1
make[7]: Leaving directory '/export/gnu/import/git/gcc-test-master-intel64/bld/x86_64-pc-linux-gnu/libgcc'
make[6]: *** [Makefile:127: all-multi] Error 2
make[6]: Leaving directory '/export/gnu/import/git/gcc-test-master-intel64/bld/x86_64-pc-linux-gnu/libgcc'
make[5]: *** [Makefile:19662: all-stage1-target-libgcc] Error 2
make[5]: Leaving directory '/export/gnu/import/git/gcc-test-master-intel64/bld'
make[4]: *** [Makefile:24894: stage1-bubble] Error 2
make[4]: Leaving directory '/export/gnu/import/git/gcc-test-master-intel64/bld'
make[3]: *** [Makefile:25231: bootstrap] Error 2
make[3]: Leaving directory '/export/gnu/import/git/gcc-test-master-intel64/bld'
Command exited with non-zero status 2
2730.28user 206.84system 4:33.12elapsed 1075%CPU (0avgtext+0avgdata 1054632maxresident)k
309040inputs+3136880outputs (1926major+37021255minor)pagefaults 0swaps
make[2]: *** [Makefile:309: bootstrap] Error 2
make[2]: Leaving directory '/export/gnu/import/git/gcc-test-master-intel64'