Regressions on trunk at revision 229981 vs revision 229966

[Bill Schmidt]

New failures:
FAIL: gcc.dg/pch/cpp-3.c   -O3 -g  -I. -Dwithout_PCH (test for excess errors)
FAIL: gcc.dg/pch/cpp-3.c   -O3 -g  -I. -Dwithout_PCH  (test for warnings, line )
FAIL: runtime/pprof

New passes:
FAIL: g++.dg/lto/pr68057 cp_lto_pr68057_0.o-cp_lto_pr68057_1.o execute -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin 
FAIL: g++.dg/lto/pr68057 cp_lto_pr68057_0.o-cp_lto_pr68057_1.o execute -O0 -flto -flto-partition=none -fuse-linker-plugin
FAIL: g++.dg/lto/pr68057 cp_lto_pr68057_0.o-cp_lto_pr68057_1.o execute -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects 
FAIL: g++.dg/lto/pr68057 cp_lto_pr68057_0.o-cp_lto_pr68057_1.o execute -O2 -flto -flto-partition=1to1 -fno-use-linker-plugin 
FAIL: g++.dg/lto/pr68057 cp_lto_pr68057_0.o-cp_lto_pr68057_1.o execute -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects 
FAIL: g++.dg/lto/pr68057 cp_lto_pr68057_0.o-cp_lto_pr68057_1.o execute -O2 -flto -fuse-linker-plugin
FAIL: gfortran.dg/PR53852.f90   -O  (test for excess errors)
FAIL: gfortran.dg/PR67518.f90   -O  (test for excess errors)