Regressions on master at commit r11-7547 vs commit r11-7539 on Linux/x86_64

[H.J. Lu]

New failures:
FAIL: gcc.dg/lto/save-temps c_lto_save-temps_0.o-c_lto_save-temps_0.o link,  -O -flto -save-temps
FAIL: libstdc++-prettyprinters/whatis2.cc whatis minstd_rand_holder
FAIL: libstdc++-xmethods/deque.cc print q3[0]
FAIL: libstdc++-xmethods/deque.cc print q3.back()==(300+q3_size-1)
FAIL: libstdc++-xmethods/deque.cc print q3[q3_size-1]==(300+q3_size-1)
FAIL: libstdc++-xmethods/deque.cc whatis q0.empty()
FAIL: libstdc++-xmethods/deque.cc whatis q0.size()

New passes:
FAIL: libstdc++-prettyprinters/cxx11.cc print rarrptr
FAIL: libstdc++-prettyprinters/cxx11.cc print rarrptr
FAIL: libstdc++-prettyprinters/cxx11.cc print rempty_ptr
FAIL: libstdc++-prettyprinters/cxx11.cc print reums
FAIL: libstdc++-prettyprinters/cxx11.cc print ruom
FAIL: libstdc++-prettyprinters/cxx11.cc print ruomm
FAIL: libstdc++-prettyprinters/cxx11.cc print ruoms
FAIL: libstdc++-prettyprinters/cxx11.cc print ruoms
FAIL: libstdc++-prettyprinters/cxx11.cc print ruos
FAIL: libstdc++-prettyprinters/cxx11.cc print ruptr
FAIL: libstdc++-prettyprinters/cxx11.cc print ruptr
FAIL: libstdc++-prettyprinters/libfundts.cc print a
FAIL: libstdc++-prettyprinters/libfundts.cc print a
FAIL: libstdc++-prettyprinters/libfundts.cc print a
FAIL: libstdc++-prettyprinters/libfundts.cc print ab
FAIL: libstdc++-prettyprinters/libfundts.cc print ab
FAIL: libstdc++-prettyprinters/libfundts.cc print ab
FAIL: libstdc++-prettyprinters/libfundts.cc print ai
FAIL: libstdc++-prettyprinters/libfundts.cc print ai
FAIL: libstdc++-prettyprinters/libfundts.cc print ai
FAIL: libstdc++-prettyprinters/libfundts.cc print ap
FAIL: libstdc++-prettyprinters/libfundts.cc print ap
FAIL: libstdc++-prettyprinters/libfundts.cc print ap
FAIL: libstdc++-prettyprinters/libfundts.cc print as
FAIL: libstdc++-prettyprinters/libfundts.cc print as
FAIL: libstdc++-prettyprinters/libfundts.cc print as
FAIL: libstdc++-prettyprinters/libfundts.cc print as2
FAIL: libstdc++-prettyprinters/libfundts.cc print as2
FAIL: libstdc++-prettyprinters/libfundts.cc print as2
FAIL: libstdc++-prettyprinters/libfundts.cc print om
FAIL: libstdc++-prettyprinters/libfundts.cc print om
FAIL: libstdc++-prettyprinters/libfundts.cc print om
FAIL: libstdc++-prettyprinters/libfundts.cc print op
FAIL: libstdc++-prettyprinters/libfundts.cc print op
FAIL: libstdc++-prettyprinters/libfundts.cc print op
FAIL: libstdc++-prettyprinters/libfundts.cc print os
FAIL: libstdc++-prettyprinters/libfundts.cc print os
FAIL: libstdc++-prettyprinters/libfundts.cc print os
FAIL: libstdc++-xmethods/shared_ptr.cc print r[1].y
FAIL: libstdc++-xmethods/shared_ptr.cc whatis r[1]
FAIL: libstdc++-xmethods/shared_ptr.cc whatis r.get()
FAIL: libstdc++-xmethods/vector.cc print bv2.at(0)
FAIL: libstdc++-xmethods/vector.cc print bv2.at(63)
FAIL: libstdc++-xmethods/vector.cc print bv3.at(0)
FAIL: libstdc++-xmethods/vector.cc print bv3.at(63)
FAIL: libstdc++-xmethods/vector.cc print bv3.at(64)
FAIL: libstdc++-xmethods/vector.cc whatis bv0.empty()
FAIL: libstdc++-xmethods/vector.cc whatis bv0.size()
FAIL: libstdc++-xmethods/vector.cc whatis v0.empty()
FAIL: libstdc++-xmethods/vector.cc whatis v0.size()
FAIL: libstdc++-xmethods/vector.cc whatis v1.at(1)
ERROR: gdb failure