Regressions on trunk at revision 216449 vs revision 216447

[H.J. Lu Intel64 Core i7]

New failures:

New passes:
ERROR: could not compile testsuite_shared.cc
ERROR: could not compile testsuite_shared.cc
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64corei7/src-trunk/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp.
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-intel64corei7/src-trunk/libstdc++-v3/testsuite/libstdc++-prettyprinters/prettyprinters.exp.