Regressions on trunk at revision 243334 vs revision 243325

[Intel Automatic Testing System [Intel64 Core AVX2]]

New failures:

New passes:
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)