Regressions on master at commit r11-4704 vs commit r11-4585 on Linux/i686

[H.J. Lu]

New failures:
FAIL: gcc.dg/guality/pr54519-4.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 22 y == 68
FAIL: gcc.dg/guality/pr54519-4.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 22 y == 68
FAIL: gfortran.dg/pdt_14.f03   -O2  execution test
FAIL: gfortran.dg/pdt_14.f03   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
FAIL: gfortran.dg/pdt_14.f03   -O3 -g  execution test
FAIL: gfortran.dg/pdt_14.f03   -Os  execution test

New passes:
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 20 y == 25
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 20 z == 6
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 23 y == 117
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 23 z == 8
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 20 y == 25
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 20 z == 6
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 23 y == 117
FAIL: gcc.dg/guality/pr54519-3.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 23 z == 8
FAIL: gcc.dg/guality/pr54519-4.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION line 17 y == 25
FAIL: gcc.dg/guality/pr54519-4.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION line 17 y == 25
FAIL: gcc.target/i386/zero-scratch-regs-24.c scan-assembler xorl[ \t]*%edi, %edi
FAIL: gcc.target/i386/zero-scratch-regs-25.c scan-assembler xorl[ \t]*%edi, %edi
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movaps[ \t]*%xmm0, %xmm3
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movaps[ \t]*%xmm0, %xmm4
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movaps[ \t]*%xmm0, %xmm5
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movaps[ \t]*%xmm0, %xmm6
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movaps[ \t]*%xmm0, %xmm7
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movl[ \t]*%edx, %edi
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movl[ \t]*%edx, %esi
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movl[ \t]*%edx, %r8d
FAIL: gcc.target/i386/zero-scratch-regs-26.c scan-assembler movl[ \t]*%edx, %r9d
FAIL: gcc.target/i386/zero-scratch-regs-27.c scan-assembler movl[ \t]*%edx, %edi
FAIL: gcc.target/i386/zero-scratch-regs-27.c scan-assembler movl[ \t]*%edx, %esi
FAIL: gcc.target/i386/zero-scratch-regs-27.c scan-assembler movl[ \t]*%edx, %r8d
FAIL: gcc.target/i386/zero-scratch-regs-27.c scan-assembler movl[ \t]*%edx, %r9d
FAIL: gcc.target/i386/zero-scratch-regs-28.c (test for excess errors)
FAIL: gcc.target/i386/zero-scratch-regs-30.c scan-assembler-times fstp 8
FAIL: gcc.target/i386/zero-scratch-regs-31.c (test for excess errors)