[Bug bootstrap/96813] New: [11 Regression] Broken bootstrap-lto-lean profiled bootstrap since r11-2883-gbf19cbc9cea6161f3deb63040601090828c44c53

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96813

            Bug ID: 96813
           Summary: [11 Regression] Broken bootstrap-lto-lean profiled
                    bootstrap since
                    r11-2883-gbf19cbc9cea6161f3deb63040601090828c44c53
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: aldyh at gcc dot gnu.org, jamborm at gcc dot gnu.org
  Target Milestone: ---

The following fails:

$ ../configure --enable-languages=c,c++,lto --disable-multilib
--disable-libsanitizer --disable-werror --with-build-config=bootstrap-lto-lean
&& time make -j111 STAGE1_CFLAGS="-O2 -g" profiledbootstrap

with
...
mliska@kunlun:~/Programming/gcc/objdir/gcc>
/home/mliska/Programming/gcc/objdir/./prev-gcc/xg++
-B/home/mliska/Programming/gcc/objdir/./prev-gcc/
-B/usr/local/x86_64-pc-linux-gnu/bin/ -nostdinc++
-B/home/mliska/Programming/gcc/objdir/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs
-B/home/mliska/Programming/gcc/objdir/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs

-I/home/mliska/Programming/gcc/objdir/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu

-I/home/mliska/Programming/gcc/objdir/prev-x86_64-pc-linux-gnu/libstdc++-v3/include
 -I/home/mliska/Programming/gcc/libstdc++-v3/libsupc++
-L/home/mliska/Programming/gcc/objdir/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs
-L/home/mliska/Programming/gcc/objdir/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs
  -g -O2 -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 -fno-common  -DHAVE_CONFIG_H
-flto=jobserver -DGENERATOR_FILE -fno-PIE -static-libstdc++ -static-libgcc 
-no-pie -o build/genchecksum \
>     build/genchecksum.o .././libiberty/libiberty.a
lto-wrapper: warning: jobserver is not available: ‘MAKEFLAGS’ environment
variable is unset
lto1: fatal error: invalid jump function in LTO stream
compilation terminated.