Regressions on trunk at revision 185782 vs revision 162038

[H.J. Lu ia32]

New failures:
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 12 arg1 == 1
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 14 arg1 == 1
FAIL: gcc.dg/guality/vla-1.c  -Os  line 17 sizeof (a) == 6
FAIL: gcc.dg/torture/pr51106-2.c  -O0  (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c  -O0  (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c  -O1  (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c  -O1  (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c  -O2  (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c  -O2  (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c  -O3 -g  (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c  -O3 -g  (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c  -Os  (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c  -Os  (test for excess errors)
FAIL: gfortran.dg/lto/pr45586 f_lto_pr45586_0.o-f_lto_pr45586_0.o link, -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
FAIL: gfortran.dg/lto/pr45586 f_lto_pr45586_0.o-f_lto_pr45586_0.o link, -O0 -flto -flto-partition=none -fuse-linker-plugin (internal compiler error)
FAIL: gfortran.dg/lto/pr45586 f_lto_pr45586_0.o-f_lto_pr45586_0.o link, -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
FAIL: gfortran.dg/lto/pr45586-2 f_lto_pr45586-2_0.o-f_lto_pr45586-2_0.o link, -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
FAIL: gfortran.dg/lto/pr45586-2 f_lto_pr45586-2_0.o-f_lto_pr45586-2_0.o link, -O0 -flto -flto-partition=none -fuse-linker-plugin (internal compiler error)
FAIL: gfortran.dg/lto/pr45586-2 f_lto_pr45586-2_0.o-f_lto_pr45586-2_0.o link, -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)

New passes:
FAIL: c-c++-common/uninit-17.c  (test for warnings, line 14)
FAIL: c-c++-common/uninit-17.c  -Wc++-compat   (test for warnings, line 14)
FAIL: c-c++-common/uninit-17.c  -Wc++-compat  (test for excess errors)
FAIL: c-c++-common/uninit-17.c (test for excess errors)
FAIL: g++.dg/lto/20081109 cp_lto_20081109_0.o-cp_lto_20081109_1.o execute -O2 -fwhopr
FAIL: gcc.dg/cproj-fails-with-broken-glibc.c execution test
FAIL: gcc.dg/guality/inline-params.c  -O1  execution test
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -flto  line 28 i == 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -flto  line 28 i1 == 2 * 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -flto  line 28 i2 == 3 * 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i == 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i1 == 2 * 37
FAIL: gcc.dg/guality/pr41353-1.c  -O2 -fwhopr  line 28 i2 == 3 * 37
FAIL: gcc.dg/guality/sra-1.c  -O1  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto  line 20 a.i == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto  line 42 a.i == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto  line 42 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 20 a.i == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 42 a.i == 4
FAIL: gcc.dg/guality/sra-1.c  -O2 -fwhopr  line 42 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O3 -fomit-frame-pointer  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O3 -g  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -Os  line 20 a.j == 14
FAIL: gcc.dg/guality/vla-1.c  -O2 -flto  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -O2 -flto  line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-1.c  -O2 -fwhopr  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -O2 -fwhopr  line 24 sizeof (a) == 17 * sizeof (short)
FAIL: gcc.dg/guality/vla-2.c  -O1  line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c  -O2  line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c  -O3 -fomit-frame-pointer  line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c  -O3 -g  line 25 sizeof (a) == 6 * sizeof (int)
FAIL: gcc.dg/guality/vla-2.c  -Os  line 25 sizeof (a) == 6 * sizeof (int)
FAIL: libgomp.graphite/force-parallel-1.c execution test