[Bug bootstrap/67647] New: [6 regression] boostrap FAIL with --disable-libstdcxx-dual-abi

[dimhen at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67647

            Bug ID: 67647
           Summary: [6 regression] boostrap FAIL with
                    --disable-libstdcxx-dual-abi
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dimhen at gmail dot com
  Target Milestone: ---

r227942 FAIL
r227792 PASS

~/src/gcc_current/configure --prefix=/usr/local/gcc_current
--enable-languages=c,c++,lto --enable-plugin --disable-multilib
make PASS

~/src/gcc_current/configure --prefix=/usr/local/gcc_current
--enable-languages=c,c++,lto --enable-plugin --disable-multilib
--disable-libstdcxx-dual-abi
make FAIL

/home/dimhen/build/gcc_current/./prev-gcc/xg++
-B/home/dimhen/build/gcc_current/./prev-gcc/
-B/usr/local/gcc_current/x86_64-pc-linux-gnu/bin/ -nostdinc++
-B/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs
-B/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs

-I/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu
 -I/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/include
 -I/home/dimhen/src/gcc_current/libstdc++-v3/libsupc++
-L/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs
-L/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs
-c   -g -O2 -gtoggle -DIN_GCC     -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common
 -DHAVE_CONFIG_H -DGENERATOR_FILE -fno-PIE -I. -Ibuild
-I/home/dimhen/src/gcc_current/gcc -I/home/dimhen/src/gcc_current/gcc/build
-I/home/dimhen/src/gcc_current/gcc/../include 
-I/home/dimhen/src/gcc_current/gcc/../libcpp/include  \
        -o build/inchash.o /home/dimhen/src/gcc_current/gcc/inchash.c
In file included from
/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/string:52:0,
                 from /home/dimhen/src/gcc_current/gcc/system.h:201,
                 from /home/dimhen/src/gcc_current/gcc/genconstants.c:28:
/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/bits/basic_string.h:3304:7:
error: expected initializer before ‘capacity’
       capacity() const _GLIBCXX_NOEXCEPT
       ^
/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/bits/basic_string.h:3325:15:
error: variable or field ‘reserve’ declared void
       reserve(size_type __res_arg = 0);
               ^
/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/bits/basic_string.h:3325:15:
error: ‘size_type’ was not declared in this scope
/home/dimhen/build/gcc_current/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/bits/basic_string.h:
In function ‘void std::clear()’:

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