Regressions on trunk at revision 243320 vs revision 243308

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: gcc.dg/pr78213.c -fself-test (test for warnings, line )
FAIL: gcc.dg/pr78213.c (internal compiler error)
FAIL: gcc.dg/pr78213.c (test for excess errors)
FAIL: gcc.target/i386/pr77761.c (test for excess errors)

New passes: