https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95965
Bug ID: 95965
Summary: [11 regression] bootstrap failure on sparc due to
"register"
Product: gcc
Version: 8.4.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: mikpelinux at gmail dot com
Target Milestone: ---
(Note: different from the recently reported PR95940.)
Attempting to bootstrap gcc-11-20200628 on sparc64-linux fails with:
mnt/scratch/objdir11/./prev-gcc/xg++ -B/mnt/scratch/objdir11/./prev-gcc/
-B/mnt/scratch/install11/sparc-unknown-linux/bin/ -nostdinc++
-B/mnt/scratch/objdir11/prev-sparc-unknown-linux/libstdc++-v3/src/.libs
-B/mnt/scratch/objdir11/prev-sparc-unknown-linux/libstdc++-v3/libsupc++/.libs
-I/mnt/scratch/objdir11/prev-sparc-unknown-linux/libstdc++-v3/include/sparc-unknown-linux
-I/mnt/scratch/objdir11/prev-sparc-unknown-linux/libstdc++-v3/include
-I/mnt/scratch/gcc-11-20200628/libstdc++-v3/libsupc++
-L/mnt/scratch/objdir11/prev-sparc-unknown-linux/libstdc++-v3/src/.libs
-L/mnt/scratch/objdir11/prev-sparc-unknown-linux/libstdc++-v3/libsupc++/.libs
-fno-PIE -c -g -O2 -fno-checking -gtoggle -DIN_GCC -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-error=format-diag -Wmissing-format-attribute
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -Werror -DHAVE_CONFIG_H -I. -I.
-I/mnt/scratch/gcc-11-20200628/gcc -I/mnt/scratch/gcc-11-20200628/gcc/.
-I/mnt/scratch/gcc-11-20200628/gcc/../include
-I/mnt/scratch/gcc-11-20200628/gcc/../libcpp/include
-I/home/mikpe/pkgs/linux-sparc64/gmp-6.2.0/include
-I/home/mikpe/pkgs/linux-sparc64/mpfr-4.0.2/include
-I/home/mikpe/pkgs/linux-sparc64/mpc-1.1.0/include
-I/mnt/scratch/gcc-11-20200628/gcc/../libdecnumber
-I/mnt/scratch/gcc-11-20200628/gcc/../libdecnumber/dpd -I../libdecnumber
-I/mnt/scratch/gcc-11-20200628/gcc/../libbacktrace -o sparc.o -MT sparc.o
-MMD -MP -MF ./.deps/sparc.TPo
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:8887:34: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
8887 | epilogue_renumber (register rtx *where, int test)
| ^~~~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c: In function 'int
epilogue_renumber(rtx_def**, int)':
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:8889:24: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
8889 | register const char *fmt;
| ^~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:8890:16: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
8890 | register int i;
| ^
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:8891:26: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
8891 | register enum rtx_code code;
| ^~~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:8948:17: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
8948 | register int j;
| ^
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c: In function 'void
sparc_print_operand_address(FILE*, machine_mode, rtx)':
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:9671:16: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
9671 | register rtx base, index = 0;
| ^~~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:9671:22: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
9671 | register rtx base, index = 0;
| ^~~~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:9673:16: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
9673 | register rtx addr = x;
| ^~~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c: At global scope:
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:9807:32: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
9807 | sparc_type_code (register tree type)
| ^~~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c: In function 'long
unsigned int sparc_type_code(tree)':
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:9809:26: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
9809 | register unsigned long qualifiers = 0;
| ^~~~~~~~~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:9810:21: error: ISO C++17
does not allow 'register' storage class specifier [-Werror=register]
9810 | register unsigned shift;
| ^~~~~
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c: In function 'int
set_extends(rtx_insn*)':
/mnt/scratch/gcc-11-20200628/gcc/config/sparc/sparc.c:10306:16: error: ISO
C++17 does not allow 'register' storage class specifier [-Werror=register]
10306 | register rtx pat = PATTERN (insn);
| ^~~
cc1plus: all warnings being treated as errors
Makefile:2328: recipe for target 'sparc.o' failed
make[3]: *** [sparc.o] Error 1
make[3]: Leaving directory '/mnt/scratch/objdir11/gcc'
Makefile:4779: recipe for target 'all-stage2-gcc' failed
make[2]: *** [all-stage2-gcc] Error 2
make[2]: Leaving directory '/mnt/scratch/objdir11'
Makefile:21620: recipe for target 'stage2-bubble' failed
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory '/mnt/scratch/objdir11'
Makefile:21823: recipe for target 'bootstrap' failed
make: *** [bootstrap] Error 2
Bootstrap compiler is (based on) gcc-9.3.1 20200321.
Configuration options:
/mnt/scratch/gcc-11-20200628/configure --prefix=/mnt/scratch/install11
--with-gmp=/home/mikpe/pkgs/linux-sparc64/gmp-6.2.0
--with-mpfr=/home/mikpe/pkgs/linux-sparc64/mpfr-4.0.2
--with-mpc=/home/mikpe/pkgs/linux-sparc64/mpc-1.1.0 --without-isl
--enable-multilib --disable-plugin --disable-lto --disable-nls
--enable-threads=posix --enable-checking=release --disable-libmudflap
--enable-languages=c,c++,ada --build=sparc-unknown-linux
--target=sparc-unknown-linux --with-cpu=ultrasparc --enable-targets=all
--disable-libsanitizer --disable-libgomp
