[Bug target/92713] ICE in libsupc++ building an offload compiler targeting amdgcn-unknown-amdhsa

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92713

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Thomas Schwinge <tschwinge@gcc.gnu.org>:

https://gcc.gnu.org/g:afa3d80e86fb538ce7f5f1485fa774c11fdaf0f6

commit r10-8031-gafa3d80e86fb538ce7f5f1485fa774c11fdaf0f6
Author: Thomas Schwinge <thomas@codesourcery.com>
Date:   Sat Mar 21 11:46:02 2020 +0100

    [gcn] Don't default to building target-libstdc++-v3 [PR92713]

    ... which hasn't been ported/fails to build when using newlib (with GCC
commit
    b73f69020f08208d2d969fcf8879bd294a6e3596 sources, and newlib commit
    6d79e0a58866548f435527798fbd4a6849d05bc7, tag: newlib-3.3.0 sources):

        In file included from
[...]/build-gcc-offload-amdgcn-amdhsa/amdgcn-amdhsa/libstdc++-v3/include/csetjmp:42,
                         from
[...]/source-gcc/libstdc++-v3/include/precompiled/stdc++.h:42:
        [...]/source-gcc/newlib/libc/include/setjmp.h:15:6: error: variable or
field 'longjmp' declared void
           15 | void longjmp (jmp_buf __jmpb, int __retval)
              |      ^~~~~~~
        [...]
        Makefile:1824: recipe for target
'amdgcn-amdhsa/bits/stdc++.h.gch/O2ggnu++0x.gch' failed
        make[3]: *** [amdgcn-amdhsa/bits/stdc++.h.gch/O2ggnu++0x.gch] Error 1

            PR target/92713
            * configure.ac ["${ENABLE_LIBSTDCXX}" = "default" && amdgcn*-*-*]
            (noconfigdirs): Add 'target-libstdc++-v3'.
            * configure: Regenerate.