Regressions on trunk at revision 206183 vs revision 206179

[H.J. Lu x32]

New failures:

New passes:
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O2 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O2 -flto -fno-use-linker-plugin -flto-partition=none 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/builtins/memset-chk.c execution,  -O3 -g 
FAIL: gcc.c-torture/execute/memset-1.c execution,  -O2 
FAIL: gcc.c-torture/execute/memset-1.c execution,  -O2 -flto -fno-use-linker-plugin -flto-partition=none 
FAIL: gcc.c-torture/execute/memset-1.c execution,  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects 
FAIL: gcc.c-torture/execute/memset-1.c execution,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/memset-1.c execution,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.c-torture/execute/memset-1.c execution,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/memset-1.c execution,  -O3 -g 
FAIL: gcc.dg/guality/pr54200.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  line 20 z == 3
FAIL: gcc.dg/guality/pr54200.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 20 z == 3
FAIL: gcc.dg/guality/pr54200.c  -O2  line 20 z == 3
FAIL: gcc.dg/guality/pr54200.c  -O3 -fomit-frame-pointer  line 20 z == 3
FAIL: gcc.dg/guality/pr54200.c  -O3 -g  line 20 z == 3
FAIL: gcc.dg/vect/costmodel/i386/costmodel-fast-math-vect-pr29925.c scan-tree-dump-times vect "vectorized 1 loops" 1
FAIL: gcc.dg/vect/costmodel/i386/costmodel-vect-31.c scan-tree-dump-times vect "vectorization not profitable" 1
FAIL: gcc.dg/vect/costmodel/i386/costmodel-vect-31.c scan-tree-dump-times vect "vectorized 3 loops" 1
FAIL: gcc.dg/vect/costmodel/i386/costmodel-vect-68.c scan-tree-dump-times vect "vectorized 4 loops" 1
FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-fast-math-vect-pr29925.c scan-tree-dump-times vect "vectorized 1 loops" 1
FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-vect-31.c scan-tree-dump-times vect "vectorization not profitable" 1
FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-vect-31.c scan-tree-dump-times vect "vectorized 3 loops" 1
FAIL: gcc.dg/vect/costmodel/x86_64/costmodel-vect-68.c scan-tree-dump-times vect "vectorized 4 loops" 1
FAIL: gcc.target/i386/avx2-cvt-2.c scan-assembler vcvtdq2ps[^\n\r]*ymm
FAIL: gcc.target/i386/avx2-cvt-2.c scan-assembler vcvttps2dq[^\n\r]*ymm
FAIL: gcc.target/i386/avx-cvt-2.c scan-assembler vcvtdq2ps[^\n\r]*ymm
FAIL: gcc.target/i386/avx-cvt-2.c scan-assembler vcvttps2dq[^\n\r]*ymm
FAIL: gcc.target/i386/memset-1.c execution test
FAIL: gcc.target/i386/pr46295.c scan-assembler-times avx_vzeroupper 1
FAIL: gcc.target/i386/pr55247-2.c scan-assembler-not %xmm[0-9]