Regressions on trunk at revision 243010 vs revision 242975

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: g++.old-deja/g++.law/ctors10.C  -std=c++11  (test for errors, line 21)
FAIL: g++.old-deja/g++.law/ctors10.C  -std=c++11  (test for errors, line 21)
FAIL: g++.old-deja/g++.law/ctors10.C  -std=c++14  (test for errors, line 21)
FAIL: g++.old-deja/g++.law/ctors10.C  -std=c++14  (test for errors, line 21)

New passes:
FAIL: gcc.c-torture/execute/pr59747.c   -O1  (internal compiler error)
FAIL: gcc.c-torture/execute/pr59747.c   -O1  (test for excess errors)
FAIL: gcc.c-torture/execute/pr59747.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
FAIL: gcc.c-torture/execute/pr59747.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.c-torture/execute/pr59747.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
FAIL: gcc.c-torture/execute/pr59747.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: gcc.c-torture/execute/pr59747.c   -O2  (internal compiler error)
FAIL: gcc.c-torture/execute/pr59747.c   -O2  (test for excess errors)
FAIL: gcc.c-torture/execute/pr59747.c   -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/pr59747.c   -O3 -g  (test for excess errors)
FAIL: gcc.c-torture/execute/pr59747.c   -Os  (internal compiler error)
FAIL: gcc.c-torture/execute/pr59747.c   -Os  (test for excess errors)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  target lp64  (test for warnings, line 256)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  target lp64  (test for warnings, line 260)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c  target lp64  (test for warnings, line 264)
FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-3.c (test for excess errors)
FAIL: gcc.target/i386/pr44578.c (internal compiler error)
FAIL: gcc.target/i386/pr44578.c (test for excess errors)