Regressions on trunk at revision 208831 vs revision 208824

[H.J. Lu x32]

New failures:
FAIL: g++.dg/torture/pr60315.C  -O0  (test for excess errors)
FAIL: g++.dg/torture/pr60315.C  -O1  (test for excess errors)
FAIL: g++.dg/torture/pr60315.C  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr60315.C  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr60315.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/pr60315.C  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: g++.dg/torture/pr60315.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr60315.C  -Os  (test for excess errors)

New passes:
FAIL: gcc.dg/guality/pr54519-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 20 y == 25
FAIL: gcc.dg/guality/pr54519-1.c  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  line 20 z == 6