Regressions on trunk at revision 204835 vs revision 204790

[H.J. Lu Intel64 Core 2/i7]

New failures:
FAIL: gcc.target/x86_64/abi/callabi/func-1.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/func-2a.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/func-indirect-2a.c (internal compiler error)
FAIL: gcc.target/x86_64/abi/callabi/func-indirect-2a.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/func-indirect.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-1.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-2.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-3.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-4a.c (test for excess errors)
FAIL: gcc.target/x86_64/abi/callabi/vaarg-5a.c (test for excess errors)

New passes:
ERROR: (DejaGnu) proc "{ scan-tree-dump-times "Threaded" 1 "vrp1" } || { arm_cortex_m }" does not exist.