Regressions on trunk at revision 195874 vs revision 195841

[H.J. Lu ia32 Core 2/i7]

New failures:

New passes:
FAIL: gcc.dg/torture/stackalign/vararg-3.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -fpic (internal compiler error)
FAIL: gcc.dg/torture/stackalign/vararg-3.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -fpic (test for excess errors)
FAIL: gcc.dg/tree-ssa/inline-3.c scan-tree-dump-times einline "Inlining inline_me " 1
FAIL: gcc.dg/tree-ssa/inline-3.c scan-tree-dump-times einline "Inlining inline_me_too " 1