[r11-2979 Regression] FAIL: g++.old-deja/g++.abi/cxa_vec.C -std=gnu++98 (test for excess errors) on Linux/x86_64 (-m64 -march=cascadelake)

[Jonathan Wakely]

On 02/09/20 10:22 -0700, sunil.k.pandey wrote:
>On Linux/x86_64,
>
>6bdbf0f37bda2587a4e82cbb956de7a159a397ae is the first bad commit
>commit 6bdbf0f37bda2587a4e82cbb956de7a159a397ae
>Author: Jonathan Wakely <jwakely@redhat.com>
>Date:   Wed Sep 2 13:27:57 2020 +0100
>
>    libstdc++: Break header cycle between <new> and <exception>
>
>caused
>
>FAIL: g++.old-deja/g++.abi/cxa_vec.C  -std=gnu++14 (test for excess errors)
>FAIL: g++.old-deja/g++.abi/cxa_vec.C  -std=gnu++17 (test for excess errors)
>FAIL: g++.old-deja/g++.abi/cxa_vec.C  -std=gnu++2a (test for excess errors)
>FAIL: g++.old-deja/g++.abi/cxa_vec.C  -std=gnu++98 (test for excess errors)
>
>with GCC configured with
>
>../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-2979/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
>
>To reproduce:
>
>$ cd {build_dir}/gcc && make check RUNTESTFLAGS="old-deja.exp=g++.old-deja/g++.abi/cxa_vec.C --target_board='unix{-m64\ -march=cascadelake}'"
>
>(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)

The test is invalid, but worked until I changed <new> to stop
including <exception>.

This patch fixes it, pushed to master as obvious.


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