[Bug libffi/64581] New: libffi/testsuite/libffi.special/special.exp doesn't use newly built GCC

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64581

            Bug ID: 64581
           Summary: libffi/testsuite/libffi.special/special.exp doesn't
                    use newly built GCC
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libffi
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com

I got

Executing on host: g++
/export/gnu/import/git/sources/gcc/libffi/testsuite/libffi.special/unwindtest.cc
  -shared-libgcc -lstdc++ -O0 -W -Wall
-I/export/build/gnu/gcc-pie/build-x86_64-linux/x86_64-unknown-linux-gnu/./libffi/include
-I/export/gnu/import/git/sources/gcc/libffi/testsuite/../include 
-I/export/build/gnu/gcc-pie/build-x86_64-linux/x86_64-unknown-linux-gnu/./libffi/include/..
-L/export/build/gnu/gcc-pie/build-x86_64-linux/x86_64-unknown-linux-gnu/./libffi/.libs
 -I/export/gnu/import/git/sources/gcc/libstdc++-v3/include
-I/export/gnu/import/git/sources/gcc/libstdc++-v3/include/std
-I/export/gnu/import/git/sources/gcc/libstdc++-v3/include/c_std
-I/export/gnu/import/git/sources/gcc/libstdc++-v3/libsupc++
-I/export/build/gnu/gcc-pie/build-x86_64-linux/x86_64-unknown-linux-gnu/./libstdc++-v3/include
-I/export/build/gnu/gcc-pie/build-x86_64-linux/x86_64-unknown-linux-gnu/./libstdc++-v3/include/x86_64-unknown-linux-gnu
-L/export/build/gnu/gcc-pie/build-x86_64-linux/x86_64-unknown-linux-gnu/./libstdc++-v3/src/.libs
  -lffi -lm   -o ./unwindtest.exe    (timeout = 300)

It should use ../../gcc/xg++ -B../../gcc/