Regressions on trunk at revision 265522 vs revision 265515

[H.J. Lu (x32)]

New failures:
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 3)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 3)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 3)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 3)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 3)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 3)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 4)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 4)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 4)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 4)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 4)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 4)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 6)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 6)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 6)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 6)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 6)
FAIL: g++.dg/lto/odr-1  (test for LTO warnings, odr-1_0.C line 6)
FAIL: g++.dg/lto/pr83121  (test for LTO warnings, pr83121_0.C line 8)
FAIL: g++.dg/lto/pr85405b  (test for LTO warnings, pr85405b_0.C line 6)
FAIL: g++.dg/lto/pr85405b  (test for LTO warnings, pr85405b_1.C line 3)

New passes:
ERROR: couldn't compile regular expression pattern: quantifier operand invalid
ERROR: tcl error sourcing /export/gnu/import/git/gcc-test-x32/src-trunk/gcc/testsuite/g++.dg/lto/lto.exp.