Regressions on trunk at revision 266733 vs revision 266658

[H.J. Lu]

New failures:
FAIL: gcc.c-torture/execute/pr64242.c   -O0  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O0  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O0  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O1  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O1  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O1  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O3 -g  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O3 -g  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -O3 -g  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -Os  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -Os  execution test
FAIL: gcc.c-torture/execute/pr64242.c   -Os  execution test
FAIL: g++.dg/cpp1y/lambda-generic-83856.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/cpp1y/lambda-generic-83856.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/cpp1y/lambda-generic-83856.C  -std=c++17 (test for excess errors)
FAIL: g++.dg/cpp1y/lambda-generic-83856.C  -std=c++17 (test for excess errors)

New passes:
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test
FAIL: c-c++-common/asan/pr64820.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  output pattern test
FAIL: gfortran.dg/simd-builtins-1.f90   -O   scan-assembler call.*_ZGVbN4v_sinf
FAIL: gfortran.dg/simd-builtins-1.f90   -O   scan-assembler call.*_ZGVbN4v_sinf
FAIL: gfortran.dg/simd-builtins-1.f90   -O   scan-assembler call.*_ZGVbN4v_sinf
FAIL: gfortran.dg/simd-builtins-6.f90   -O   scan-assembler call.*_ZGVbN4v_sinf
FAIL: gfortran.dg/simd-builtins-6.f90   -O   scan-assembler call.*_ZGVbN4v_sinf
FAIL: gfortran.dg/simd-builtins-6.f90   -O   scan-assembler call.*_ZGVbN4v_sinf