seen with trunk 20201203 on mips64el-linux-gnu

/<<PKGBUILDDIR>>/build/./gcc/xgcc -B/<<PKGBUILDDIR>>/build/./gcc/ -B/usr/lib/gcc-snapshot/mips64el-l
inux-gnuabi64/bin/ -B/usr/lib/gcc-snapshot/mips64el-linux-gnuabi64/lib/ -isystem /usr/lib/gcc-snapsh
ot/mips64el-linux-gnuabi64/include -isystem /usr/lib/gcc-snapshot/mips64el-linux-gnuabi64/sys-includ
e   -fchecking=1 -c -g -O2  -fPIC  -W -Wall -gnatpg -nostdinc   a-nallfl.ads -o a-nallfl.o
a-nallfl.ads:48:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:48:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:48:13: warning: profile of "Sin" doesn't match the builtin it binds
a-nallfl.ads:51:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:51:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:51:13: warning: profile of "Cos" doesn't match the builtin it binds
a-nallfl.ads:54:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:54:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:54:13: warning: profile of "Tan" doesn't match the builtin it binds
a-nallfl.ads:57:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:57:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:57:13: warning: profile of "Exp" doesn't match the builtin it binds
a-nallfl.ads:60:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:60:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:60:13: warning: profile of "Sqrt" doesn't match the builtin it binds
a-nallfl.ads:63:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:63:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:63:13: warning: profile of "Log" doesn't match the builtin it binds
a-nallfl.ads:66:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:66:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:66:13: warning: profile of "Acos" doesn't match the builtin it binds
a-nallfl.ads:69:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:69:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:69:13: warning: profile of "Asin" doesn't match the builtin it binds
a-nallfl.ads:72:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:72:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:72:13: warning: profile of "Atan" doesn't match the builtin it binds
a-nallfl.ads:75:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:75:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:75:13: warning: profile of "Sinh" doesn't match the builtin it binds
a-nallfl.ads:78:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:78:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:78:13: warning: profile of "Cosh" doesn't match the builtin it binds
a-nallfl.ads:81:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:81:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:81:13: warning: profile of "Tanh" doesn't match the builtin it binds
a-nallfl.ads:84:13: warning: intrinsic binding type mismatch on return value
a-nallfl.ads:84:13: warning: intrinsic binding type mismatch on argument 1
a-nallfl.ads:84:13: warning: profile of "Pow" doesn't match the builtin it binds
make[9]: *** [../gcc-interface/Makefile:302: a-nallfl.o] Error 1
make[9]: Leaving directory '/<<PKGBUILDDIR>>/build/gcc/ada/rts'
make[8]: *** [gcc-interface/Makefile:620: gnatlib] Error 2
make[8]: Leaving directory '/<<PKGBUILDDIR>>/build/gcc/ada'
make[7]: *** [gcc-interface/Makefile:655: gnatlib-shared-default] Error 2
make[7]: Leaving directory '/<<PKGBUILDDIR>>/build/gcc/ada'
make[4]: *** [Makefile:107: gnatlib-shared] Error 2
make[4]: Leaving directory '/<<PKGBUILDDIR>>/build/mips64el-linux-gnuabi64/libada'
make[3]: *** [Makefile:22363: all-target-libada] Error 2

gcc is configured with

         --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++
         --prefix=/usr/lib/gcc-snapshot
         --with-gcc-major-version-only
         --program-prefix=
         --enable-shared
         --enable-linker-build-id
         --disable-nls
         --enable-clocale=gnu
         --enable-libstdcxx-debug
         --enable-libstdcxx-time=yes
         --with-default-libstdcxx-abi=new
         --enable-gnu-unique-object
         --disable-libitm
         --disable-libsanitizer
         --disable-libquadmath
         --disable-libquadmath-support
         --enable-plugin
         --with-system-zlib
         --enable-libphobos-checking=release
         --with-target-system-zlib=auto
         --enable-objc-gc=auto
         --enable-multiarch
         --disable-werror
         --enable-multilib
         --with-mips-plt
         --with-arch-64=mips64r2
         --with-madd4=no
         --enable-targets=all
         --with-arch-32=mips32r2
         --with-fp-32=xx
         --enable-checking=yes,extra,rtl
         --build=mips64el-linux-gnuabi64
         --host=mips64el-linux-gnuabi64
         --target=mips64el-linux-gnuabi64